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DNS Server Not Responding in Windows 7: How to Fix it

Try changing the dns server manually or updating the network drivers.

Sagar Naresh

how to solve dns server not responding in windows 7

The DNS server ensures that you are able to connect to the internet and surf through it. Sadly, there have been multiple user reports regarding DNS server issues on Windows 10 .

So much so that this issue has also troubled Windows 7 users in the past. Users have been complaining about the DNS server not responding in Windows 7 error. This guide will give you a bunch of solutions that will help you resolve the problem quickly.

What causes the DNS server not to respond in Windows 7?

Here are a few reasons that could trigger the DNS server not responding in Windows 7:

How can I fix the DNS server not responding in Windows 7 error?

Before jumping to the advanced solutions, let us first go through a bunch of preliminary solutions that could help you fix the problem:

1. Change the DNS server manually

how to solve dns server not responding in windows 7

how to solve dns server not responding in windows 7

2. Clear DNS cache

how to solve dns server not responding in windows 7

Windows 7 Update Error 80072efe [Solved]

What is event id 4769 & how to fix it, windows 7 computer freezes randomly: 5 ways to fix it, league of legends server status: when & how to check it, 3. update network drivers.

how to solve dns server not responding in windows 7

Updated drivers not only bring new features on board but also get rid of the bugs and glitches present in the version that is currently installed on your PC.

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While you can manually update the driver following the above steps, you can ease the process by using a dedicated driver updater tool. For this purpose, we recommend you use DriverFix .

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how to solve dns server not responding in windows 7

4. Perform network reset

how to solve dns server not responding in windows 7

5. Run the Network Troubleshooter

how to solve dns server not responding in windows 7

6. Use a different browser

Often the DNS server is not responding in Windows 7 error is associated with the browser itself. Because of some glitch or bug in the browser, it may throw up unnecessary errors.

In such a case, we would suggest you switch to a different browser and check if the problem exists there as well or not.

If you are confused about which browser to download, then we have a guide that gives a list of some of the best browsers that you can install on your Windows 7 PC .

Let us know in the comments below which one of the above solutions fixed the DNS server not responding issue.

Still having issues? Fix them with this tool:

If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on TrustPilot.com) to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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How to Fix the “DNS Server Not Responding” Error on Windows and Mac

dns server not responding

You can’t visit a website without first accessing a Domain Name Server (DNS) . In the process, you might be met with a message such as “DNS server not responding.” This means that the decentralized naming systems responsible for turning hostnames into IP addresses failed to respond.

There are a variety of reasons these types of DNS errors can occur. Fortunately, most of them have simple resolutions. In fact, fixing the issue could be as easy as restarting your computer or changing web browsers.

In this post, we’ll explain what the “DNS Server Not Responding” message means and some common causes for it. Then we’ll walk you through several solutions for how to fix it, both on Windows and macOS devices.

Let’s get started!

What Does “DNS Server Not Responding” Mean?

A DNS is a naming system that takes alphanumeric domain names (or “hostnames”) and turns them into numeric IP addresses. Essentially, DNS servers act as translators .

When you input a web address into your browser , it is forwarded to a DNS server from your router, where it’s then dissolved and returned as an IP address. However, if the DNS server is unable to properly complete this name resolution process, the end result is usually a message indicating that the DNS server is not responding.

“DNS Server Not Responding” means that your browser was unable to establish a connection to the internet. Typically, DNS errors  are caused by problems on the user end, whether that’s with a network or internet connection, misconfigured DNS settings, or an outdated browser. They can also be attributed to a temporary server outage that renders the DNS unavailable.

Therefore, it’s possible that you might be able to resolve the problem simply by switching browsers. In other cases, you may need to disable connections, change DNS servers, or flush the DNS cache.

How to Fix the “DNS Server Not Responding” Error in Windows and macOS (11 Methods)

Now that you understand what this message means and are familiar with some potential causes, it’s time to get to work resolving it. Let’s take a look at eleven potential ways you can fix “DNS Server Not Responding” on Windows and Mac devices.

1. Switch to a Different Browser

The first step is to troubleshoot the issue by testing your DNS connections. Fixing this problem might be as simple as switching or updating your web browser.

How Do I Switch to a Different Browser?

To do this, try accessing the web from a different browser. For example, if your default browser is Safari or Google Chrome, visit the desired website from Mozilla Firefox or Microsoft Edge instead.

If switching browsers works, you’ll likely need to update your default browser to the latest version or uninstall and reinstall it. However, if you still see the “DNS Server Not Responding” message, you can rule out your browser as the source of the issue.

2. Connect With a Different Device

If your browser is not the problem, maybe your current device is. That is why it might be interesting to connect to a second device (using the same network as before) and access the site you’re unable to see.

How Do I Connect to a Different Device?

Grab your phone and try to access the site you’re having trouble with.

Still getting the “DNS Server Not Responding” error? Then this might indicate that your router is the issue here. Not so sure about it? Connect to the site using your mobile data. If it works, you’ll have the answer that the problem is in fact on your end and not on the site’s end.

3. Start Your Computer in Safe Mode

If your operating system is not functioning properly, it can result in the “DNS Server Not Responding” error message. Therefore, you may want to try booting your Windows device in Safe Mode to see whether this resolves this issue.

Doing so will limit the files and resources used for running Windows, and can be an effective way to troubleshoot problems.

How Do I Start My Computer in Safe Mode?

To start your Windows 10 computer in Safe Mode, first select the Windows button , and then hover over the Power icon :

windows power

Next, while you’re holding down the Shift  key, select Restart :

windows restart

In the window that appears, click on Troubleshoot > Advanced . Under Advanced options , select Start-Up Settings , followed by Restart . More options will appear. You can press 4 or 5 to Enable Safe Mode  or Enable Safe Mode with Networking  respectively. Your computer will then restart in Safe Mode.

If you’re using Windows 7 or earlier, you can restart it in Safe Mode by going to Power > Restart . Then, while it’s booting up, hold down the F8 key .

The process is similar on macOS devices.

While the machine is restarting and booting up, hold down the Shift key . Once the Apple logo appears, you can release it. Your device will then start in Safe Mode.

Once your computer is in Safe Mode, try to access the website again. If there doesn’t seem to be a network connection issue, the source of the problem may be a third-party software or installation, such as an antivirus application.

4. Temporarily Disable Your Antivirus Software and Firewall

If switching browsers doesn’t resolve the “DNS Server Not Responding” issue, the next step is to temporarily deactivate your firewall . Antivirus software and firewalls are critical for safeguarding your devices, but they can sometimes cause issues that interfere with network connections.

How Do I Temporarily Disable My Antivirus Software and Firewall?

For Windows users, you can do this by going to your control panel and navigating to Update & Security > Windows Security > Virus & Threat Protection > Manage Settings .

Mac users can find this option by navigating to System Preferences > Security & Privacy > Firewall .

Once your firewall is deactivated, try visiting the website again from your browser. If this resolved the issue, you might consider switching antivirus programs or reconfiguring the settings of your existing application. Either way, remember to reactivate your firewall once you’re done.

5. Disable Secondary Connections

If disabling your antivirus software or firewall didn’t do the trick, another potential solution is to disable any secondary connections available on your device. You want to make sure that only the connection you’re currently using is active.

How Do I Disable Secondary Connections?

To do this in Windows, type “Network connections” into the search box of your desktop taskbar. Next, click on View network connections :

view network connections 1

This will bring you to the Network Connections  page. Any connections you’re not currently using will have a red ( X ) next to them. Right-click on one, and then select Disable :

disable secondary connection

Repeat this for any other connections that are not currently active. When you’re done, restart your browser and try visiting the website again.

If you’re using a macOS, you can do this by clicking on the Apple icon, then navigating to System Preferences > Network . Your connections will be listed on the left side of the window.

macOS network settings

To disconnect or disable one, select it, and then click on the ( – ) sign at the bottom of the window.

6. Disable the Windows Peer-to-Peer Feature

If you’re using Windows, and disabling your firewall or secondary connections hasn’t resolved the “DNS Server Not Responding” error message, there’s one more option you can try: the Peer-to-Peer (P2P) feature. Note: This is something you’ll only find in Windows 10.

This feature helps preserve your device’s download bandwidth. Essentially, it lets you download a Windows update one time, then use your device to spread or share the updated version across other computers included in your local network.

Unfortunately, it can also sometimes interrupt DNS processes. Therefore, it’s worth disabling to see if this resolves the error message you’re currently facing.

How Do I Disable the Windows Peer-to-Peer Feature?

To do so, click on the  Windows icon , followed by the Settings (gear icon)  >  Update & Security :

windows settings update

In the window that opens along the left-hand side, select Delivery Optimization :

windows delivery optimization

Next to the ‘Allow downloads from other PCs’ option, toggle the switch to disable it:

windows p2p feature

When you’re done, restart your computer and try accessing the website again. If this doesn’t work, don’t worry. We still have more solutions to try.

7. Restart Your Router

The next troubleshooting step is to restart your router. Doing so will flush your router’s cache and could be the solution for resolving the “DNS Server Not Responding” message.

How Do I Restart My Router?

Most modems come with a power button that enables you to quickly power them off. After a minute or so, turn your modem back on and wait for it to re-establish a connection. Once it does, check to see whether you’re able to access the internet from your browser.

Note that sometimes simply restarting the router isn’t enough. You may want to reboot it by unplugging it entirely, and then waiting at least 30 seconds before plugging it back in and powering it on again.

8. Install Updated Network Adapter Drivers on Your Computer

Another reason you may be seeing the “DNS Server Not Responding” message is if your current Windows network adapter driver is old or outdated. If this is the case, getting a new adapter driver or updating yours may be the solution you need.

How Do I Install Updated Network Adapter Drivers?

There are a couple of ways to update your network adapter driver. One is to do it manually , which you should only do if you are at least somewhat familiar working with drivers. Alternatively, you can do it using an automated tool such as Driver Easy  or Snappy Driver Installer (SDI) :

snappy driver installer

Either of these solutions will automatically recognize your system and locate the appropriate drivers for you to use with it. We recommend this method because it eliminates the risk of human error, such as downloading or installing the wrong driver on your device.

Once you download SDI  and finish installing the updated drivers, restart your computer. Then try reconnecting to the internet, to determine whether this resolved the issue.

9. Flush Your DNS Cache and Reset Your IP

If you’ve eliminated your browser, antivirus software, and router as the source of the issue, it’s time to turn your attention to your DNS settings. As with the router cache, it may be that your DNS needs to be cleared before it can properly make a connection to the internet, or your IP might need a reset.

How Do I Flush the DNS Cache and Reset My IP?

If you’re using Windows, start by typing “cmd” into the search field along the taskbar, and then selecting the Command Prompt app:

command prompt app

In the window that opens, enter “ipconfig/flushdns” (no quotations), and hit Enter :

windows command prompt

When the process is finished, it will display a message letting you know that the DNS cache was successfully flushed. Repeat this process for the following commands:

If you’re using a Mac device, you can flush your DNS cache by opening the Terminal application (press the Command  + Space  keys, and then type “Terminal” into Spotlight). In the Terminal application window, enter the following:

Press the Enter  key. There won’t be a success message as there is on Windows devices. However, simply running this command will flush the DNS cache. For further guidance, you can refer to our full guide on how to flush your DNS cache  in Windows, Mac, and Chrome.

10. Disable IPv6

IPv6 is the latest Internet Protocol version that helps route traffic between networks and the internet. Unfortunately, it may also be behind the “DNS Server Not Responding” message you’re currently seeing.

Therefore, another potential solution to try is disabling IPv6 on your computer.

How Do I Disable IPv6?

To do this in Windows, open your Network Connections control panel , then right-click on your current connection. In the drop-down menu, select  Properties :

network connection properties 1

Under the Networking  tab of the panel that opens, scroll down until you see Internet Protocol Version 6 (TCP/IPv6):

ipv6 windows

If it’s selected, unselect the box, then click on OK . Refresh your browser and try connecting to the internet again.

To disable IPv6 in macOS, you first need to determine what network interface you’re using. To do this, open the Terminal application , then issue the following command:

If you want to disable IPv6 for a wireless connection, you would use the following command:

For an Ethernet connection, you would use:

Then hit the Enter  key, and refresh your browser to see if the issue is resolved.

11. Change the Default DNS Server on Your Windows Computer

Another solution you can try in order to fix “DNS Server Not Responding” in Windows is to change your default DNS server. To do this in Windows 7, 8, or 10, the first step is to access your network connection properties.

How Do I Change the Default DNS Server?

Start by clicking on the Windows button in the bottom-left corner of the task bar. In the search field, type “Network connections”, and then select View network connections  in the menu that appears:

view network connections

Next, choose the internet adapter you’re currently using (WLAN for wireless network connections or LAN for ethernet cable connections). Right-click on the internet adapter, followed by Properties :

network connection properties

In the window that opens, choose Internet Protocol Version 4 (TCP/IPv4 ), and then click on the Properties  button:

ipv4 properties

To manually assign a different DNS server address, select Use the following DNS server addresses  and input the address of an alternative server:

internet protocol DNS

For example, you can enter Google’s DNS server, which is “”, under Preferred DNS server . Then you can add “” under Alternative  DNS server , and hit OK .

If you’re running macOS, you can locate these settings by clicking on the Apple icon followed by System Preferences :

macos system preferences

Next, select the  Network  icon. Choose your current network, and then click on the Advanced  button:

mac network system

Under the DNS  tab, click the (+)  button next to “IPv4 or IPv6 addresses”, and hit Enter :

mac dns server

After you enter the new DNS information, click   on OK  followed by Apply . Restart your web browser, and then visit the website you were trying to access. You should find that the “DNS Server Not Responding” issue is now resolved.

Trying to access a website only to be met with a “DNS Server Not Responding” message can be both frustrating and concerning. While there are a variety of reasons this error may occur, the good news is that most have simple resolutions.

As we discussed in this article, there are 11 potential solutions you can use to fix a “DNS Server Not Responding” message, in both Windows and macOS:

Suggested reading: How to Fix the DNS_PROBE_FINISHED_BAD_CONFIG Error Code . How to Fix DNS_PROBE_FINISHED_NXDOMAIN Error Code

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Windows 7 dns server not responding.

This issue can occur by incorrect DNS settings. I suggest you perform the following steps to troubleshoot the issue.

1. Click "Start", input "NCPA.CPL" (without quotation marks) and press Enter.

2. Right click on the connection that you use for the local connection, and then click "Properties".

3. Click to select "Internet Protocol Version 4 (TCP/IPv4)", and then click "Properties".

4. In the Internet Protocol window, let's change the "Preferred DNS server" to

5. Click 'OK' twice to complete the modification.

If the issue persists, please repeat the steps and change the "Preferred DNS server" to

Meanwhile, I would appreciate your help in clarifying that if the network is based on a router or a DSL modem. If there is a router, please bypass it and connect to DSL modem directly for a test.

All replies

  Just had this same problem.  Installed Win7 Pro 64-Bit on December 16th.  Hasn't activated yet (our admin is still sorting out the KMS server).  Yesterday afternoon, my home wireless connection lost access to the Internet.  Access to the LAN is fine.  Finally determined that it's not resolving DNS.  Funny thing is, even NSLookup wouldn't resolve anything, yet, the DNS servers were fine.   Kept noticing two wireless connectoids in my network settings.  "Wireless Network Connection" is my normal wireless connectoid and was connecting fine.  The second was "Microsoft Virtual WiFi Miniport Adapter" and was showing disconnected (as I expected).  But, I couldn't figure out where that second connectoid came from, so finally, I disabled it.  As soon as I did, my DNS sprang to life!   I'm not sure if the OS is trying to activate, and interferring, or if that connectoid appeared as part of a Windows update, but disabling it fixed it for me instantly.

This one worked for me!  I have been trying to find the answer for two days straight!  Thanks for the help!

I too was able to connect to network (torrentz) but could not use internet. So i went to -change adapter settings -> right clic on wireless network connection --> configure-> advanced-> 802.11b preamble --> long only ok

i also disabled microsoft miniport adapter wich by the way is hidden u have to "show hidden things" option.

and it start to work i really don't know why it just did

I had the same problem on my new DELL xt2 WITH Win7 x64. JCrissup's suggestion to disable the "Microsoft Virtual WiFi Miniport Adapter" worked like a charm.  The Wifi connection instantly came alive. Many many thanks...saved me hours of agony reloading drivers etc.

Wow. Thank you SO much. I had the same problem: Win 7 - 64 bit (new Dell Latitude E6400 laptop) with all the factory configurations.

I could connect to the router, see devices on the LAN, and ping sites on the Internet via IP address, but DNS never resolved.

Disabling the MS Virtual WiFI Miniport Adapter worked!  Thank you, Thank you.

I have an Acer One D250 netbook with Windows 7 Starter, which seemed to be able to connect wireless to anything and everything since I took it out of the box. However, sometime around the 20th or 21st of April, it suddenly lost that capability. The computer indicated that the problem was with the DNS. I have tried all of the remedies on this webpage, with no luck. Yes, I have changed the DNS numbers, reloaded and updated drivers, restored, disabled this and that, and nothing seems to work. It connects instantly to DSL. I have gone to a different location and connected via DSL...no problem. At the same time, I have gone to several other locations in this area where wireless service was available and I get the sameresults...no DNS. I have an old Dell laptop with XP and it is able to connect wirelessly, not just from my home, but from the other locations I took the Acer as well. All the routers are not bad, especially if other OS are able to connect to them...it is something to do with Windows7, I am convinced of that. I am wondering if being unable to connect wireless was a result of some glitch in a recent update? I get updates automatically; the Windows7 seems to be updating this or that almost everyday, whereas auto updates on my old Dell are disabled. There has to be something which occurred in the last week that would all of a sudden cause Windows7 to lose its wireless capabilities.

Regardless, I use this Acer on almost a daily basis and I need to find out how to get it to be able to connect wireless again.

Yes, I tried disabling the Microsoft Virtual WiFi Miniport Adapter, with no luck. Several times. This, besides confuguring DNS server and the whole kit and kaboodle. Nothing. As I say, connects fine via DSL, but on wireless...not! I beginning to get rather dismayed, as I bypassed some good buys on new units with Vista to buy the netbook with Windows7, mainly because the salesperson advised me that there was "no comparison" in regards to the Windows7's connection abilities. Meanwhile, a friend at work has a laptop with Vista and he has no troubles whatsoever. This just isn't right!

I had the same problem since I started my LapTop this morning. After searching myself, I found no solution. Davids uninstall everything and let the system reinstalling the network drivers and deleting all entries(related to my laptop) in my router provide me to reconnect to my Wireless Lan router and to the internet.


I have been having intermittent problems with DNS not responding.  I tried your two DNS address solutions above, one worked for a day but then it goes out again and then I have to reset it.  I have spent hours on the phone with tech support to no avail.  For instance, this morning it was not responding after working all night last night.  I reset to the DNS address above which seems to work the best "" but then my boyfriend couldn't log on as it said their was an IP address conflict.  So I reset the DNS to obtain automatically and it seems to be working fine.

I have no problems with service anywhere but at my house where we just switched to AT&T DSL.  It hasn't worked right since on my computer but my boyfriend's computer works perfectly fine.  I am running Windows 7, he is on an older operating system.  Any help would be greatly appreciated.  I have tried numerous other things with tech support (too many to list) including disabling the firewall, clearing out the DNS and starting over, etc.

I've been beating my head against this for days.  Disabling the Virtual WiFi Miniport Adapter worked perfectly for me as well.

I had the same problem, Thanks to you Novak, it worked with the second DNS setting

I too am experiencing a very similar problem: I use a 2Wire DSL Router to connect one or two wireless computers and four or five wired Ethernet computers.  The configuration worked fine with Windows 2000, which was upgraded to XP on the wireless machine while all wired machines ran Vista (64 Ultimate).  Everything worked fine.  I upgraded all Vista machines to Windows 7 Ultimate as well as the wireless machines.   The Wired Ethernet machines see and connect to the Wireless machines fine.  The Wireless Windows 7 machines connect as well as before to the Internet.  But the Wireless machine, while it see's the other machines in the Workgroup, using whatever interface, Windows Explorer or the Network Connections interface, doesn't connect to the wired machines in the workgroup. All the machines have at least one account in common, using the same password.  The wireless machine connects to the Router.  When, through the network server on the 2Wire router, the wired machines are queried about sharable files, the same name resolution error appears.  I have half-duplex file sharing, which I might be tempted to live with except that backup requires a 'push' connection.

I have disabled IP-V6.  The fact that I can resolve names through the routers 802.11G connection from the wired connections but not the other way confirms the physical link.  I did try assigning the preferred DNS server as recommended. 

This is a NAT configuration using DHCP.  The router, which certainly resolves the names of all the clients in the workgroup, generates a message "Cannot find 'file://192.168.xxx.xxx'.  Make sure the path or Internet address is correct."  An attempt to open nodes from the wireless node generates a \\computername is not accessible.  You might not permission... The specified network provider name is invalid.

This does appear to be DNS related.  Nothing changed other the Windows 7 replacing Vista 64 Ultimate and XP on the machines connected through the router's internal 802.11G facility.  The router was unchanged.  This router, while it is in millions of homes using the ATT DSL services, is not on the list of DSL routers approved by Microsoft.  But a change in Windows 7 requiring ATT customers to buy a new router and take on its support seems unlikely to be a marketing campaign.  One message suggests that the wireless client machine is looking at the DHCP router as a server, but should have been fixed by assigning DNS resolution as suggested here.

Hey buddy thankz 4 ur kindly info. i just follow the step of yours , now it works properly once again thankx a lot now m safe wid this ____ DNS pro hahahhahahha

NOVAK Wu i have one lovely and sweet kiss 4 u ...

I've tried changing the dns address. I've tried reinstalling the wireless network card and I've tried disabling the virtual wifi miniport adapter and it's still having problems resolving dns on win 7 64 bit. Any other ideas?

thx in advance

Hi I have a Sony VPC-CW17FX laptop.  It has Windows 7 on it.  About a week ago we did a system restore (without disks) and now I am experiencing the DNS server not responding issue.  I was able to connect to the internet and download Norton and then the next morning - no internet - this is when I started getting the DNS error.  I have tried the above resolutions but its not working.  I have no system disks as I bought the computer used.

I had the same problem by incorrect DNS settings. I applied your response above and it works! thanks Novak

I had the same peoblem.

After carrying out your suggestion, all now works well.

thanks a million.

Ok Im weirded out I have always had those error messages now they just got worse so i did what you said and that stopped most now the dns is trying to talk to my Buffalo Network drives........ and its getting mad because they dont talk back. Sorry I have to make light of my sitution.

and when I read my logs for windows 7 they are saying its all my routers fault. and my routers log isnt saying anything. and everything appear to be right. and it seems to be caching aloting

I'm Having a similar problem I can hook up to the internet wired through the modem but whn I hook up to router it say ihave a connection but when i do the network troubleshoot it comes up DNS SERVER NOT RESPONDING i don't know what else to try i disable the  Microsoft Virtual WiFi Miniport Adapter, and tried changing dns number but it won't connect through the router and this is a new modem i also configered everything.

For the last 5 hours I have struggled with this issue.  Both at work & at home...no wifi connection, just the stupid useless DNS server isn't responding message.  Thanks JCrissup for the simplest and yet most effective solution to this problem.  Come on Microsoft, why give us a wireless adaptor that can't connect to anything and even worse, causes headaches & heartaches for half a day.

I had the same "DNS server not responding" issue that most everyone here has, and I found a simple solution that worked for me.

Go into "Device Manager",   and find your "network adapters"    Disable your network adapters and then enable them again. (effectively resetting them)

I just went ahead and reset both of them (my Broadcom WLAN & my Realtec PCIe Family Controller)

Internet works just fine now. 

Just want to add I have exactly the same issue. What's up?

Thank God for you I disabled mini and is working alot better now thanks for the info.

  It worked for me. Its a great help. I have bee struggling a lot to clear this error for quiet a long time.

Yhanks again,

Hi Novak, the first one didn't work, but worked great. THANKS! However, I remember reading a previous post from someone who said your solution only worked intermittently. Well, since I checked out this forum only today, I guess time will tell. One other thing I wanted to ask was, on your 12/24/09 post, you advised us to check the "Validate Settings Upon Exit" box after entering the new DNS. I have not done that, since I saw that post after your initial post that told us how to resolve the problem. I am, BY NO MEANS, a tech guy, so I apologize for my ignorance and/or stupid question. But, what is the difference between checking that box/not checking that box?? If Novak's not around, can someone please assist me with my question? Should I check that box or not?

Thanks to everyone... Hope to here from someone soon:)

Hi Novak and anyone else who may be able to help:

Am using W7 64, I am constantly getting “DNS server not responding" when on WIFI but able to get a stable cabled connection. Have tried two different WIFI routers, switching the cable between the modem and the routers, and so believe it is not the hardware causing this problem.   Moreover, this is a sudden change as previously did not have any problems.

I have tried Novak’s suggestion of changing the DNS server to and 220 but it doesn’t help.

What is interesting is when clicking “additional troubleshooting options” the problem resolves itself but only temporarily.

Have tried all other solutions suggested so far on this thread to no avail.

I am having the same DNS Server not responding when using Windows 7.  I also have a lap top running on Windows XP and I am experiencing the same problem.    This has happened before in the past few days but the next day both computers were able to make connection.  I think it may be something to do with a technical problem that is being experienced by the server that I am attempting to connect with.

This happened to me soon after installing Norton 360.  IP address seemed correct, disabled the mini as suggested, that didn't help.  I started to suspect Norton after reading minisizekev above.  I did not want to uninstall Norton so finally I reset my firewall settings using the "restore defaults" option under Windows Firewall and viola!  Back up on the Net.  Will see how long the connection lasts . . .

Control panel --> System and Security --> Windows Firewall --> Restore defaults

Had this problem weeks ago until stumbled upon this thread.

Works like a charm.

Can I get the link to any thread that teaches me how to manually troubleshoot internet connectivity problems?

troubleshooting depends on the method you use to get online.

google is your friend


I had the very same issue. Do as Novak suggests and click "start" then type in 'ncpa.cpl'. Follow instructions as below to Internet protocol 4 and select 'properties'. You'll notice it may say "use dsl address" or similar - it may be or 

Type either of these into Explorer and which ever takes you to the router settings page is the number that should be present in here. 

Failing this you can try selecting - "assign dsl automatically" - both of these worked for me after trying everything. this pure guess work did the trick. 

Hi,   This issue can occur by incorrect DNS settings. I suggest you perform the following steps to troubleshoot the issue.   1. Click "Start", input "NCPA.CPL" (without quotation marks) and press Enter. 2. Right click on the connection that you use for the local connection, and then click "Properties". 3. Click to select "Internet Protocol Version 4 (TCP/IPv4)", and then click "Properties".   4. In the Internet Protocol window, let's change the "Preferred DNS server" to   5. Click 'OK' twice to complete the modification.   If the issue persists, please repeat the steps and change the "Preferred DNS server" to   Meanwhile, I would appreciate your help in clarifying that if the network is based on a router or a DSL modem. If there is a router, please bypass it and connect to DSL modem directly for a test.   Thanks, Novak

Hi there, I have the same DNS server not responding problem in my LAN, Win 7 64. When I try to change the DNS address as Novak suggested, it gives me a warning:

Multiple default gateways are intended to provide redundancy to a single network. They will not function properly when the gateways are on two separate,disjoint networks (such as one on your intranet and one on the Internet) Do you want to save this configuration? 

The IP address: 192. 168. 1. 123

So what shall I do, PLZ help!

I had the same problem, so changed the Preferred DNS server as Novak proposed, which worked, with the first ip address:

This got the connection back, and I then deleted the number, re-ticking the Auto Detect box, and my connection remained good

I'll definitely come back here for future Win 7 advice - Many thanks all

THANKS SO MUCH!!!!! I just spent 1 hour online lookin for an answer to this DNS question. I tried three different forums before I found your response. This was absolutely a life saver and thanks for putting it in plain english for the non-techies in this world.

Even I face the same problem. With me the problem is intermittent and that can not be predicted. All of a sudden my internet stops working. I use a router. However other machines connected the same router continue to work.

Can any one help?

thanks so much for the help this seems to have solved my problem allthough it was working yesterday then stopped working this morning but as soon as i changed the preferred dns and alternate dns everything is working great

Novak, I've attempted your solution, with no success.  As far as I can tell, the "Microsoft Virtual WiFi Miniport Adapter" is not present in my system, so I have not been able to make use of that suggestion.  I am becoming almost frustrated enough to cry over this, because this is pretty much a waste of a computer until it can connect most of the time.  PLEASE HELP.

I am, very rarely, able to get my new Windows 7 Gateway DX4300-15e PC to connect to to the internet through my wireless network, but it normally will connect to the network and fail to connect to the internet.  Several PCs and other devices, wired and wireless, connect to the same network flawlessly (including my laptop, upgraded from Windows XP Pro to Windows 7).

The router is a D-Link DIR-825 (operating in 2.4GHz mode), connecting to a Time Warner cable modem.

This issue is driving me nuts :-( I just got a 3G Router (Planet WNRT-625G) using a USB Modem to connect a couple of PCs thru a LAN connection. My machine is a Dell Vostro running W7 32 bits. At first it seemed to work fine but I started to get that error. Basically I have got 5 minutes of connection and then it goes off and eventually I have to plug the USB modem right into my box. I tried the thing but it didn't work. I haven't looked at thte Miniport thing yet. I have tried disabling Kaspersky Firewall as well.

Just to clarify that issue, when the system says that the "DNS Server is not responding" which DNS Server is it ? Should I have one ? My ISP's ? When changing the 208.67 I did it on my Network Connection but what about the DNS settings on the router ?

UPDATE: I solved my issue. The problem was with my USB Modem, I had a new one which didn't seem to work a Huawei E1756C I guess a compatbility isssue. I changed it back to the old one, a Vodaphone K3760, and its working like a charm.

bundle of thanx u have decrease my tension   ,, that realy worked

I am also experiencing this problem.  Periodically I am unable to connect to the internet and every time when I click to diagnose it comes up that my dns server was not responding.  This is very strange behavior because I can occasionally close the troubleshooter and it will work for a brief amount of time.  But inevitably this issue comes back. 

I have followed the above steps outlined by Novak by setting my preferred dns server to, and I have also attempted to power cycle my cable modem, all to no end.  I still get the same issue.

What other steps can I follow to try and address this?  Is there some configuration on my router that I need to play with?  Do I need to contact my ISP and if so what specifically do I need to tell/ask them?

Should I just downgrade to Vista (seriously not the preferred solution)?

We too have the same issue, seems Microsoft is not interested in giving a solution to this one! Even though a lot of people seems to be affected by this.

Vista was one crappy OS, Win7, after the initial bursts seems to be more Crappier!!! Most of our users have moved to XP. We have been testing/using Windows 7 for over a year now and sill there no solutions for the network problems.. ... how long can anyone wait?

A temperory workaround, until MS comes with a solution which solves everyone's problem, is, if DHCP is been enabled then go to the wireless adpater properties and set DNS to manual and enter or Give OK and OK. Now connection will get established.

But this is not stable and will go back to disconnected state after some time, inour case some 3 to 4 hours. We reverse the process and we get connecteed again.

We have 3 Windows 7 and 2 Windows XP laptops connected to our Wireless router one Win7 laptop has this issue, we recently reinstalled the laptop and did a windows update also, but still issue is there, it just started some 2 weeks ago, might have been caused by automatic updates. Who knows?

Hope MS comes out with a solution soon, from all the forums it is pretty obvious that most Win7 users are affected.

I disable my "Vmware virtual ethernet adapter for Vmnet1" and everything is now OK. the DNS problem seems to be a conflict with other netwrok driver. I also have a third party vpn drive but not problem with it.  it is a brand new laptop with win7 32 bits.  I have another older (6 months old) laptop connected on same wireless router without any problem.

I have a DNS problem. I have done everything in this forum.

It works at home when it is connecting to one internet provider(eircom) and it works anywhere else that uses the same provider.

But when I am in my college home it will not connect, because we are using 'UPC' - a different provider.

It seems that the laptop is 'locked' into using only one DNS server, does anyone know how I can fix this??

Any help at all would be great.

I have W2k3 AD (and DNS server) on my home lan.

After setting the domain and stuff... my main Win7 x64 PC had issues with dns not responding?! I've done similar setup many times before, and this is the first time this happened.

Tried everything suggested with no luck. Found the new solution on my own. It was the firewall problem on my server. Simply setting the both TCP and UDP ports 53 to allow connections resolved the issue.

I hope this will help someone out there.

There are too many different issues being posted in this thread.  It appears that many have deviated from the original topic.  If you need help to a specific problem outside of this topic, you may want to create a new thread so that you are more likely to get assistance. 

The the reason why others cannot make it work because you have to do the Alternate DNS server as well

"Preferred DNS server" to

"Alternate DNS server"

Now it will work

I used Novak Wu's advice and it worked perfectly first time.

I used the DNS Just go into yout network card and select as above. I had 3 pc's, 2 on windows 7. 1 on XP. The xp was working but not the W7.

Did what he said, and bingo...thx...

I have a 6mo old Toshiba M645 with WN7 64.

Last night i let the battery go down to the point where it cut the internet off. When i charged it, the DNS Server would not respond. I have done all the fixes in this thread to no avail. I have unplugged the router and modems along with deleting and setting up my internet again.

i have a NetGear N600, and a strong connection.

Please help.

thanks to all the helpful posts... i have an older laptop running xp   and it has recently developed the same issue.. connect and the internet drops out (still able to connect via router to my other pcs )  i thought it was stuffed.... wanted a new laptop anyway.. so go a new gigabyte touch with deskstand etc  running win 7 pro ... (Great) but then the internet started dying every time i tried to connect it..... this is my 2nd day of 2 am trying to fault find..  yesterday narrowed it down to the adpator or DNS and perhaps a combined  issue with anti virus.. (since my old lappie had the same issue- though it might be firewall!!

i even down loaded win 7 sp1 (1.9gb iso) thanks a bunch MS !!  made no difference

Anyhow-  this theard has saved me from the mental hospital (for now anyway  :P )

i disabled about 5 or 6 hidden wifi adpators etc incl the ones mentioned above...  but still no joy -- i tyried disable the LAN ports-- still no joy.. then unstalled a fully up to date anti virus (not happy - more wasted download) (i have been connecting to my phone via hotspot--  not issues apart from power save killing the connection (fix d too)

then i  changed the DNS server number to  and WOW-- i have internet connection...   and my other pcs do do also  -- no more dead internet

thanks everyone-   and cheers

PS...   DAMM YOU M.S.  -  how can such a wide spread "BUG/ISSUE"  notget fixed via Service packs..

later ya all

Thanks for the solution Novak.  I just about had given up!

Micro$oft has absolutely stuffed up its implementation of DNS on its recent releases, Vista and 7. People are advised to leave their network settings on auto, ie obtain ip address automatically and obtain DNS server automatically. Vista and 7 do not accept the DNS settings of many routers, but instead uses the router's IP address as the DNS server address. Of course, most routers do not provide dns services and will never provide an address for dumbo vista and 7...

Come on M$, get your act into gear... it used to just work with XP and Win98, what happened with the last two? Are you just trusting Vista and 7 automagic? Well it doesn't work! Please fix it... I waste hours trying to help people change their DNS settings because the system is incapable of properly detecting locally router assigned DNS servers.

Just fix it please!

I've been having this problem now for many months (possibly as  the result of an automatic windows update - now disabled!).

I previosly kept rolling back versions to reset, but this became tedious.  Working away from home (on my Tosh T110-11U..learnt I could use my SE Experia Arc as a WinFi hotspot..yippee!!...but found could only link up effectively by USB tethering.  Had to SORT out non resonding DNS once and for all.  Tried Wu's suggestion , even putting in the 220 address as an alternative, didn't seem to work (but maybe impatience didn't allow effects to become apparent)...BUT then trid disabling the MS Wi-Fi (an X against it isnct sufficient, when disabled, it greys out)...and BINGO...HAPPY DAYS...Thanx all...x  

(P.s. WHEN SURFING MAKE SURE U CHECK OUT GANGS.ORG.UK - aiming to bring together all those involve/affectrd by gangs to share practice to sortout this scourge!

ALSO LOOK OUT FOR THE 4b Hotel in Blackpool - "A sybaritic Enclave"....pure indulgence in the midst of the North West's craziest town!!

BOTH COMING Summer 2011 -PASS IT ON.....


HELLO there

i just solved the error 105 dns on my laptop :

1. Click the Start Button and type "msconfig" (without quotation marks) in the Search Box and press Enter. 2. Select the Services tab in the open window. Check the “Hide all Microsoft Services” option and click Disable All. 3. Switch to the Startup tab and click Disable All. 4. Click OK to save the settings and select Restart when prompted. 5. Check whether or not the issue still occurs. hope this will help

Thanks for you reply, I have tried that but it still does not work.

To be more specific of my problem:

I was using my current Linksys wireless router with a comcast connection. However yesterday I got a new connection and modem from comcast.

When i plug in the wire directly from the modem, the internet works, but if through the Linksys router (wired or wireless), I get "DNS server not responding" error on the diagnosis.

I do not have the CD, but i did reset the router to factory setting. But it shows me the same error.

Any help appreciated.

I just meet with this problem, i've try the way '' it's work ''.. many thankful..

1 . C l i c k " Start " , input " NCPA.CPL " ( w i t h o u t q u o t a t i o n m a r k s ) a n d p r e s s E n t e r .

2 . R i g h t c l i c k o n t h e c o n n e c t i o n t h a t y o u u s e f o r t h e l o c a l c o n n e c t i o n , a n d t h e n c l i c k " P r o p e r t i e s " .

3 . C l i c k t o s e l e c t " I n t e r n e t P r o t o c o l V e r s i o n 4 ( T C P / I P v 4 ) " , a n d t h e n c l i c k " P r o p e r t i e s " .

4 . I n t h e I n t e r n e t P r o t o c o l w i n d o w , l e t ' s c h a n g e t h e " P r e f e r r e d D N S s e r v e r " t o 2 0 8 . 6 7 . 2 2 2 . 2 2 2

5 . C l i c k ' O K ' t w i c e t o c o m p l e t e t h e m o d i f i c a t i o n .

I f t h e i s s u e p e r s i s t s , p l e a s e r e p e a t t h e s t e p s a n d c h a n g e t h e " P r e f e r r e d D N S s e r v e r " t o 2 0 8 . 6 7 . 2 2 0 . 2 2 0 .

1.Click on Start button. 2.Type Cmd in the Start Search text box. 3.Press Ctrl-Shift-Enter keyboard shortcut to run Command Prompt as Administrator. Allow elevation request. 4.Type netsh int ip reset in the Command Prompt shell, and then press the Enter key. 5.Restart the computer.

What a very very helpful solution,,,I am from Philippines but when  I arrived here in Denmark my computer wont connect to internet,,,i was so upset for 5 days now but when i read your helpful instructions, ,,,I can breath well and enjoy with the computer..I salute you for being so expert ....congratulation you help someone like me..tusen tak

Thankyou very much ,I have solved my problem

In the Internet Protocol window,changed the "Preferred DNS server" to

and now I am dancing.

Just to add to this very long thread...

Aside from, there are other public DNS servers you can use such as,, and, just to name a few.  for you client DNS configuration, you should use at least 2 DNS servers...


I had the same exact problem, this is what worked for me.

1.       Click Start. Type cmd in the Start Search box, and then press ENTER. 

2.       At the command prompt, type the following command, and then press ENTER: ipconfig /flushdns (there is a space between ipconfig and / )

It will show the message successfully flushed the DNS resolver cache.

3.       At the command prompt, type the following command, and then press ENTER: ipconfig /registerdns (there is a space between ipconfig and / )

4.       At the command prompt, type the following command, and then press ENTER:

ipconfig /all (there is a space between ipconfig and /) The ipconfig /all command displays Windows TCP/IP settings for all your network adapters.

I just spent 2 hours trying to sort this out and just put my firewall on and then took it off again and its kicked back in and the internet is fine again........... GRRRRRRRRRRRRRR!!!!

Thanks everyone for all your help!

This solution seems to be working so far.

I have a registry fixer program that is constantly prompting me to repair (delete) faulty registry settings and I admit that I do not filter this much but just press REPAIR. I was afraid I may have deleted something important in my registry that made the dns work with my router.

After changing the DNS setting from automatic, to the address given I have so far not have any failures. I'm still concerned however about the root cause of the problem, and I am wondering also if there are any disadvantages to the solution, i.e. having a single manually set dns server location vs an automatic setting.

Thank you for getting me up and running. Are there any disadvantages to not being on auto?

I recently installed windows 7 connectivity was lost

Tried all the Novak remedies -- Tried all the Microsoft remedies -- disabled the Microsoft wireless adapter and still no connectivity

I tried Novak --  it worked for about 3 hours and then it stopped and I cannot recreate it

anymore suggestions out there

Thanks John

Answer provided by Novak is really excellent for me it's working fine now

Thanks a lot  Novak

Thanks & Regards

RanjithKumar C

Disabling the Microsoft Virtual WiFi Miniport Adapter worked for me as well.  It only took me about an hour to diagnose and resolve thanks to all the helpful posts :)

Thank you for your wonderfully detailed instructions!  I am an extreme novice and was searching the internet for the last hour trying to figure out what was wrong with my laptop (using my desktop).  I tried your instructions and it worked!!!  Thank you!!! 


I had this problem also. I was connected through a router (wired). The solution to it was to disable all the drivers (uninstall them) then let the OS to detect and re-install it again. It worked for me, I hope it works for u too.

Control Panel -> System -> device Manager -> then uninstall all Network adapters.

Good luck :)

If upgrading Vista to Windows 7 - This was required on mine to get the wireless to work again.

Start the Command Prompt "as Administrator" - in start menu left click the Command icon and choose option run as administrator

In the Command Prompt window type

netsh int ip reset c:\resetlog.txt

ipconfig /release

ipconfig /renew

Once I did this, the solution above worked.   The Windows 7 troubleshooter is worthless. Everyone loves seeing "use the internet to find a solution" for no internet connection. It just shows how little software is tested now days. This is why the Cloud may be doomed before it starts!

I upgraded my Windows 7 i5 security to Norton 360 Premiums. This required an uninstall of Norton 360 and a complete new install or the premium version. I had to delete the previous app using control panel. After a week I received the DNS Server Not Responding Error.

I followed the instructions about inserting preferred DNS numbers above and only got a limited connection. I ran Norton Update and this program accessed the internet and completed its process (no errors, limited connection)

Next I Followed the instructions in another post, that suggested Disabling and Re-enabling your Network Adapter (Broadcom - Resets your adapter). This worked and my settings seem to be working better. I removed the preferred DNS numbers.

here is my article about this problem,please read English abstract


Best regards


This problem arises due to many reasons but you have to test all the cases.

1. Specifying a Public DNS (i.e. open Google DNS) is a good solution but it does not solve the issue with the internal DNS server. 

Why do we need to add a DNS to preferred DNS?

This is the firs DNS server that the connection uses. You can add the other DNS server to alternate DNS servers.

By adding alternate DNS server does the second DNS server also work with the connection? 

NO. The second one works if and only if the first (Preferred) DNS server is not functioning. So you have to add both and either one will work.

Type: nslookup to a command prompt (cmd) to find the DNS server you are using.

To verify that it is a DNS issue Ping a public IP Address. Type: Ping and hit enter. This is a Google server IP address. If you receive a reply, you are experiencing a DNS issue. You have to test few websites using more than 1 browser (sometimes browsers also experience issues. Clear the temp files, cookies and cache to fix the issue).

2. In a command prompt:

Type: ipconfig /flushdns and hit enter. Then type ipconfig /registerdns and hit enter. This will re-initiate the DNS connection.

3. To resolve any problems with ip addresses (DHCP), type ipconfig /release and hit enter. Then type ipconfig /renew and hit enter.

Important! Type services.msc in the search area (start menu) and hit enter. Verify that the DNS CLIENT service is running. 

NSLOOKUP (Advanced): Make sure a dns is available for you. This can be located using Network Adapter Status (Right click adapter in Network Connections. Make sure your adapter is configured with (TCP/IPv4 properties>Advanced: These options must be selected.

Option1 and its sub option (check box).

Register this connection's address in DNS.

You can also try disabling the TCP/IPv6 properties.


4. Your firewall/internet security suite may be blocking DNS port 53. Try disabling the firewall or configure a port rule (port 53). The configuration varies and depend on your firewall type. This also applies to routers. If you are using a modem connected to the router, you have to configure ports for the client in some cases. Turn off MAC Filtering as well (or configure and allow the client PC).

5. In Device Manager, Click View > Show Hidden Devices > Network Adapters > Disable Virtual WiFi Miniport Adapters if enabled (Virtual). 

6. If there are any other Virtual Adapters (VmWare etc if you are using), disable them. This will be further explained below.

7. Reset the Firewall to default settings.

8. Disable all network adapters and then re enable. Disable IPv6 settings.

9. If nothing works, open the Event Viewer (search) and then go to Windows Logs > System. Check for DNS errors. 

If you have changed the hosts file, you have to check whether there are specific settings in the hosts file.


10. If you are using a VPN (connected) your internet connection is set to use VPN. Your company may block internet access to VPN most probably. 

Bring up the properties for the VPN Connection.

Click on Internet Protocol Version 4 (TCP/IPv4) and then select Properties.

Click on the Advanced button, then un-tick “Use default gateway on remote network” > Click OK.

If you have installed VMWare products, it will configure 2 VMWare Virtual Adapters. Never configure NAT with the same LAN IP. If you do, there will be many issues. If you have configured, change it with VMWare Virtual Network Editor.

Edit > Virtual Network Editor.

Or disable WMWare Virtual Adapter 8. 

11. Reset the Adapter. 

Resetting: Launch cmd.exe as Administrator

Firewall: netsh advfirewall reset

Branch cache: netsh branchcache reset

Winsock Reset: netsh winsock reset

Note: All Winsock Layered Service Providers which were previously installed must be reinstalled. This command does not affect Winsock Name Space Provider entries.

11. Important: Disable Wan Miniport drivers (redundant). Uninstall and Re install Network Adapter (LAN) drivers.

12. Change router port or router/switch.

13. Change DNS server (Internal).

14. Try a system restore.

15. Reset router and test.

16. Troubleshoot hardware issues.

Hope this helps.

Thank you.My internet connection is back.

4. In the Internet Protocol window, let's change the "Preferred DNS server" to"<

This Works for me. thanks a lot!

I have already use the dns butt the problam is note solve plz plz plzzzzz dolve my problam

Man, you are awesome

Thanks Alot

Got up and running again after changing DNS server to  Network is based on a router and as it is now working, I have not tried the bypass action.

Thanks for posting this!

Really helpful! I found the first DNS server did the trick!

Thanks again!

This one is a pig

I tried everything above but still 'no resonance from dns server'


My computer wouldn't connect to the Internet. I connected to the router, but always gave the DNS error. The other 3 computers on the network connected properly.

Things I tried:

I trying EVERY previous suggestions found on here to get my DNS error resolved, (disabling Virtual Modem, uninstalling all drivers, changing DNS Server, powering down router and modem, resetting router, resetting drivers, updating drivers, etc.) Nothing worked. I finally contacted Dell. The very first question the tech asked was "Do you have McAfee installed?" He then asked me to restart my computer and boot in Safe Mode with Networking. I did and the Internet worked. He then told me to restart again and uninstall McAfee. That did the trick. I asked what specifically caused the problem, but wasn't given a solution. Anyway, hope that helps. Short recap:

1. Reboot in Safe Mode with Networking (probably F8 or something right after computer is turned on) 2. See if Internet works. If it does, restarting in normal Windows mode and uninstall McAfee (or any other firewall not factory from Windows) 3. Reinstalled McAfee (reluctantly), but Internet worked okay

Hope that helps some of you.

I had the problem for two days. Several systems restores fixed  the issue for a short period of time. Checked for viruses in safe mode with networking. Internet worked just fine in a safe mode with networking... I also tried to tweak Mcafee Internet Security that came with my Dell laptop. Disabling firewall and antivirus did not work. Downloaded a couple other virus malware killers and scanned in safe mode with no luck. They could not find anything. Finally I uninstalled McAfee... And voila! I installed Microsoft Security Essntials: it is free and my Internet works!!! I used to work in a call centre for Dell: problems with McAfee blocking the Internet were a real nightmare. So, if you have this issue with DNS server not responding, look at your antivirus first... Do you really need that one particularly...

Thank you so very much for posting this!!! I have spent hours trying to fix this issue on my friend's Dell laptop. I followed every step in the previous posts and nothing worked. I was scrolling down to the end, looking at the dates and found this. I am absolutely ecstatic, I had been accessing the internet in safe mode and so this solution fit the best.

thanks again

I had the same problem on my Dell laptop... I've just restored my system to a previous state, and disabled automatic windows update. It works for me...

Thank you so much Marc, I have McAfee as well and your solution was a real life saver!

My only fear is that sooner or later this might happen again.

I just started having this problem this morning - internet worked perfectly last night, but when I turned on my PC this morning it just wouldn't connect. I've tried a lot of things mentioned in this thread, but scrolled to the bottom and have just seen the suggestion to uninstall McAfee... will do that when it finishes scanning, and really hope it fixes the problem! If that doesn't work, I guess I'll try a system restore.

Every other laptop/computer in my house works though. I just got a new laptop this morning, with McAfee installed, and am on it now, it is working perfectly, so I don't know why my PC has decided not to connect all of a sudden...

McAfee has identfied a problem with certain DAT files.

Please refer to https://community.mcafee.com/message/253183?tstart=0  for a thread on this problem or go to the knowledgebase article https://kc.mcafee.com/corporate/index?page=content&id=KB76004

Here is another McAfee link.  The prior one I posted was for Enterprise edition.  This one is for non enterprise.  I did the steps listed to install the McAfee Virtual Technician and it corrected the internet connectivity problem.  All is working again.


Here is the solution to your problem. I have been struggling with this problem for a while trying to figure out what the issue was. I have 2 computers at home - one of them was able to connect to Internet, the other one couldn't. I was getting DNS Server Not Responding error message. What I finally did and it worked was rebooting my computer to the factory settings. I followed the instructions of this very helpful video on youtube:

(please note that you many need to press F12 (because I have Dell computer) instead of pressing F10 and ALT at once as stated in the video).


It works as magic. 10-15 minutes and you are connected to Internet.\

Hope that helps!

I spent half my day in trying to flushdns renewdns etc etc but the solution is simple. I tried to go to IPV4 and tried to set obtain IP address automatically etc, I tried to stop and start service. Reinstall the modem driver etc etc but nothing worked.

Solution is simple

Computer -> Right Click -> System Protection -> System Restore -> Choose a restore Point -> Restore

It takes few minutes and the system restores the operating system files alone (!!!) to an earlier safe restore point.

You can also restore to a manually created restore point ( if you have created one ).

It does not rewrite the user related files in your own directory. Only the system files are restored.

this one worked a treat, when i disabled the virtual wireless adapter & also changing the preferred dns server to but I had to also tick ( check ) validate settings upon exit

many thanks for this answer, helped me greatly.

Click the Start button.

In the search box, type command prompt .

In the list of results, right-click Command Prompt , and then click Run as administrator .  If you're prompted for an administrator password or confirmation, type the password or provide confirmation.

At the command prompt, type ipconfig /flushdns

Thank you very much. I had the same problem and your solution fixed it. I can't tell you how much I appreciate it.

Thank you so much for this!

i really don't know why Microsoft makes it so hard to use Windows, i built computers in the early 90s and played on computers in the 80s,  i jumped to Macs recently and will never look back.

well a glance or two

I tried this on windows 8 and it seems like my DNS server issue is resolved.

OK! I'll try it and if succeeded I'll subscribe you.

I have an old Windows 7 PC and for some reason, it stopped being able to go to web pages. I tried your answer (after trying many, many other options) and yours worked immediately! I was so happy I could have cried. I am not an IT person, so finding something that I could implement on my own was exactly what I needed. Thank you SO MUCH for taking the time to provide this kind of support!!

One million thanks to you!!! - I would bow if I thought you could see me doing that - I am very new in IT and am still in school - you made my day big time!!! thanks for sharing your knowledge!!!

First of all, I want to let you know that Im NOT computer expert or something, Im just some curious kid who likes to explore things.

Today's morning, after a few minutes of watching youtube vids, it disconnected me from the site and when I went to do troubleshot, I had same problem like you guys, that "DNS error".. So I went on phone to look at forums how to solve this problem, and I found this site. I tried everything, from novaks prefered DNS to that windows miniport, firewall settings and all stuff posted on the forum. But it didnt work. So I decided to solve that on my own.

Thats the solution which worked for me:

1. In search bar type in your IP address, and it should get you on routers site. (I am using ASUS Wireless Router)

2. Click on "IP Config"

3. At "WAN DNS Setting" they will ask you "get DNS server automatically?". Check NO.

4. At the "DNS Server 1" type in:

5. Choose "Finish", and after "Save and Restart".

I dont really know what I was doing, but this worked for me, I dont exactly know why :p

I'm just sharing my experience how I solved the problem in order to may be help you!

First of all pardon my english. For those who still have the problem and all the solution mention above isnt working,you can try this one.go to device and printer, find your modem (by the way im using usb modem huawei e153) right click choose properties and set everything to default.give it a try...cheers

Dear Novak Wu,

   I tried using that and then my whole internet access was not working. I recommend to anyone reading this to not use it because it will block most of your access to the internet by a company that is powering that specific DNS address. This was not cool and very stressful to me and made me very upset.

   I wish that third party companies would stay out of this discussions to try to force there products on us through cyberspace.

Concerned Surfer

P.S. If you have an alternate DNS try that first before trying anything else to fix the problem when you go to your NCPA.CPL

Hi Novak 

I know that it has been awhile since your original post but though I would give your a response 

I use windows 8

After spending countless hours talking to some guy in malaysia (I am with Telstra) and after being advised to reinstall widows which did not help I came across you post. Simple easy directions and it WORKED!! I used the second prefered DNS address and no problem 

Thank you so much 

I've been struggling for ages to get to play.google.com, and only get a DNS not responding error on my desktop pc running Windows 10. Changing the "Preferred DNS server" to worked perfectly. Thank you so much!

how to solve dns server not responding in windows 7

Feb 23, 2023

How to Fix “DNS Server Not Responding” Error (11 Methods)

how to solve dns server not responding in windows 7

The Domain Name System (DNS) helps users access websites on the internet through web browsers. It is a directory that translates domain names or hostnames into Internet Protocol (IP) addresses.

Sometimes, the web browser cannot connect to the site and shows a “DNS server not responding” error message instead. This error often happens because the DNS server fails to map hostnames to IP addresses correctly.

There are many possible reasons for this error, from misconfigured network adapters to incorrect DNS server addresses. 

This article will go over 11 potential solutions to solve the “DNS server not responding” issue on Windows and macOS. We will also explain several common causes for this error message.

What Does “DNS Server Not Responding“ Mean?

The “DNS server not responding” error message means that the DNS of the domain you want to reach is unavailable or your browser cannot connect to the internet. Possible fixes include restarting your router or modem, checking for network issues, and updating your browser.

DNS servers play an essential role in accessing web addresses online. With the proper DNS configuration, the server automatically retrieves an IP address whenever a user enters a URL into a browser.

The “DNS server not responding” error usually lies on the user’s end. Often, there is no need to get technical support to fix this error. It is generally easy to find its cause and resolve it immediately.

Fixing this issue can be as simple as troubleshooting your network problems or connecting with a different device. However, there are occasions when you need to disable IPv6 or update the network adapter driver. 

To get the right solution, you must first find the reason behind the “DNS server not responding” error.

how to solve dns server not responding in windows 7

DNS Server Not Responding Explained in Video Tutorial

Too busy to read? Find out how to fix the “DNS server not responding error” in this video.

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How to Fix DNS Server Not Responding Error

Now let’s take a more in depth look at the above mentioned methods on how you can fix the “DNS server not responding” issue.

1. Troubleshoot Network Problems

Running network diagnostics is the first step to fix “the DNS server isn’t responding” error. This method can help diagnose and troubleshoot all detected network issues and errors without much hassle.

Here’s how to run network diagnostics for both Windows and Mac computers.

Run Windows Network Diagnostics

Follow the steps to run network diagnostics on Windows 10:

Run the troubleshooter option in the network and internet settings in Windows

Configure Wireless Diagnostics on Mac

Here’s how to run wireless diagnostics on macOS:

Wireless diagnostics settings in Mac

If this method does not fix DNS servers problem, proceed to the next step.

2. Connect With a Different Device

Try connecting a different device to the same home network and access the site you’re having trouble with.

If the second device can access the web page using the same network, then the problem is with your primary device.

However, if you still can’t visit the website with other devices connected to the same network, it could suggest that your router might be the issue.

Using other connections such as mobile data can also help ensure that the connection failing issue is not on the site’s end.

3. Switch to Another Web Browser

Another simple solution to try when solving the “DNS server not responding” issue is to visit the website from a different web browser .

For instance, if your primary browser is Mozilla Firefox , try to access the web page from other browsers such as Microsoft Edge and Google Chrome .

If this method turns out to be fruitful, then update your default browser to the newest version or reinstall it completely. However, if the “DNS server not responding” message appears once again, the browser is not the source of the connection problem.

4. Restart PC in Safe Mode

An operating system that isn’t correctly working can result in the “DNS server not responding” error message.

To figure out whether this problem makes the DNS server unavailable, you’ll need to restart your computer in safe mode – a stripped-down version of your operating system that can limit the files and resources used for running your device.

Here are steps to start a computer in safe mode on Windows:

If you’re using a Mac, here’s how to start up your computer in safe mode:

If your network connection works in safe mode, it means that third-party software might be causing the “DNS server not responding” issue. To resolve this, you’ll need to find and delete the application from your PC.

5. Restart Modem or Router

A modem or router that isn’t properly functioning can also be the cause as to why a DNS server isn’t responding and connection is failing.

Therefore, consider restarting your modem or router to clear the cache, potentially fixing the DNS servers problem.

Press the power button of your router or modem and unplug its power cable from the power outlet. Wait for at least 30 seconds before pressing the power button again to restart it.

If restarting your modem or router doesn’t work, try to reset it to its default settings. Check the instruction manual of the device for steps to reset your modem or router.

6. Deactivate Antivirus and Firewall

Antivirus and firewall programs aim to protect your device from malicious software. However, these tools can also block your internet connection.

Attempt to temporarily deactivate your antivirus and firewall programs to check whether or not they’re the cause of the “DNS server is not responding” error.

To access the antivirus and firewall settings on Windows, select the Start menu and click Settings -> Update & Security -> Windows Security -> Virus & threat protection .

Windows security settings window - choose virus and threat protection

If you use a Mac computer, go to System Preferences -> Security & Privacy -> Firewall .

Screenshot of Mac system preferences illustrating how to turn off Firewall

After deactivating your antivirus and firewall programs, rerun the network diagnostics and open the website again from your browser.

If this solves the problem, update or reconfigure the antivirus and firewall programs before reactivating them.

7. Disable Other Connections

Another solution to resolve the “DNS server not responding” issue is to disable unused connections on your device .

Follow these steps to disconnect additional network connections on Windows:

Screenshot of Control Panel Network and Sharing Center in Windows where you can change adapter settings

Here’s how to disable other network connections on Mac:

Screenshot of network settings in Mac

After disabling all unused connections, restart your browser and try re-accessing the website.

8. Change the DNS Server Address

If the website cannot be accessed after the previous solutions, try to change your DNS server address .

Your home network is configured to obtain a DNS server address automatically from your internet service provider (ISP) . However, if your ISP’s DNS server isn’t responding, the configured DNS server is incorrect or does not exist, the internet service will stop working as well.

To temporarily resolve this problem, change your DNS settings and use a different DNS address. Doing so allows your browser to be still able to load any websites on the internet.

Fortunately, many services such as Cloudflare and Google Public DNS offer DNS addresses to use for free.

To set up other DNS servers on Windows, follow these steps:

Screenshot of Windows Network Connections showing a drop down menu that highlights the properties button

Screenshot of Internet Protocol version 4 configurations in Window

Here are the steps to change the DNS server address on Mac:

Screenshot of Mac advanced network DNS window

Reset your internet connection and see if “the DNS server isn’t responding” problem is resolved.

9. Flush DNS Cache

Another solution in order to fix DNS servers connection issues is to flush the DNS cache . Clearing the router cache might help make the DNS work properly.

Here are the steps to flush DNS cache files on Windows:

Screenshot of the confirmation message in Windows Command Prompt

The steps to flush DNS cache files on Mac are also relatively simple, but it’s crucial to run the correct command prompt based on your current operating system version.

On your Mac, open the Terminal by pressing F4 and entering the “terminal” in the Launchpad’s search box.

Once the app is opened, run the command that suits your version of macOS.

On macOS Big Sur , enter the following command:

To flush DNS cache on macOS Catalina , run this in the command prompt:

Run this command to clear your DNS cache on macOS Mojave :

Flush DNS cache on macOS High Sierra with this command :

For macOS Sierra, Mac OS X El Capitan, X Mavericks, X Mountain Lion, or X Lion , run the following command:

If you’re running Mac OS X Yosemite , input this command:

On Mac OS X Snow Leopard , run the command to flush DNS cache :

If you’re using Mac OS X Leopard and below, enter this command:

After running the commands above, the network adapter will refresh its DNS configuration.

10. Disable IP Version 6 (IPv6)

Internet Protocol Version 6 (IPv6) is the latest version of the internet protocol that identifies devices on the internet and a local network.

However, IPv6 can also cause the “DNS server is not responding” issue. Therefore, consider disabling IPv6 if the previous solutions still don’t solve the problem.

To disable IPv6 on Windows, do the following:

Screenshot of Windows Networking settings where you can select internet protocol version

Here are the steps to turn off IPv6 on your Mac:

Screenshot of Mac Network window illustrating how to turn off IPv6

If the off option is not available in the Configure IPv6 drop-down menu, try to disable IPv6 with the command line.

To disable IPv6 on a wireless connection, open the Terminal app on your Mac and run the following command:

If you want to deactivate IPv6 on an ethernet connection, use this command instead:

It’s also possible to disable IPv6 on a wireless and ethernet connection together by entering the following command:

Ensure to restart your device and connect to the internet again to check whether the “DNS server not responding” issue is resolved.

11. Update the Network Adapter Driver

An outdated network adapter driver can also be why the DNS servers failed issue appears on your Windows computer.

There are two options to update your network adapter driver – either manually or automatically .

Manually updating a network adapter driver can be challenging for beginners unfamiliar with driver software. Therefore, it’s recommended to automate it with a tool like Driver Easy , which can help download and install the correct drivers for your system.

Keep in mind that it’s essential to create a system restore point in your Windows before using the free version of Driver Easy. Doing so lets your computer turn to its previous state if an unexpected event happens.

To automatically update your network adapter driver with Driver Easy, follow these steps:

A screenshot showing the dashboard of Driver Easy software

Once you’re done with the process, revisit the website you want to access and see if this method has resolved the “DNS server not responding” issue.

What Causes the “DNS Server Not Responding” Error?

One of the more common causes for DNS server failed issues is improperly configured DNS records. This might happen when users don’t put in the right values or the correct IP address during the recording process.

Here are other possible causes of the “DNS server not responding” error:

The “DNS server not responding” message means that your browser cannot connect to the internet, commonly happens due to DNS errors or network issues.

Here are how you can fix the “DNS server not responding” issue:

We hope this article has helped you solve the “DNS server not responding” issue.

If you have any more questions or suggestions, please share them in the comments section below.

Learn more about DNS with these articles:

How to Fix DNS_PROBE_FINISHED_BAD_CONFIG Error DNS_PROBE_FINISHED_NXDOMAIN How to Reduce DNS Lookups? What Is a Premium DNS How to Change Domain Nameservers

DNS Server Not Responding FAQ

How do i fix the ‘dns server is not responding’ error.

Try to use another browser or device and get closer to your internet router if possible. You can also try to restart your devices, change your DNS settings and flush your DNS cache. If the problems still persist, update your network drivers and turn off your VPN and firewall.

How Can I Reset My DNS Server?

Open your computer’s command prompt app. On Windows, type ipconfig /flushdns, press enter, and restart your computer. On Mac, type lookupd -flushcache (Mac OSX 10.4 and earlier versions) or dscacheutil -flushcache (Mac OSX 10.5 and newer versions), press enter, and restart your computer.

How Do I Find My DNS Server?

To find your DNS server on your computer, open the command-line app on and type ipconfig/all and press Enter. Under the DNS Servers, the first address listed is your primary DNS server, and the next one your secondary DNS server.


Amanda is a WordPress and digital marketing enthusiast with a passion for helping others grow their businesses and careers. She enjoys producing content that is both informative and helpful. When she's not working, Amanda loves hiking, reading books, and filling her bullet journal.

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How to Fix ‘The DNS Server isn’t responding’ error [100% Working]

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Suddenly you cannot access any websites through the Internet. Then you try to troubleshoot the network problems on your Windows. It tells you the DNS server not responding is the culprit. You may see one of these:

“ The DNS server isn’t responding . Your computer appears to be correctly configured, but the device or resource (DNS server) is not responding .”

Don’t worry if this problem occurs. You can fix this problem with our following guide. 

Try these fixes

If you’d like to know why you can’t browse the Internet due to the ‘DNS server not responding , you can go to read the reason part . Otherwise, follow along with the solutions directly.

Bonus Tip: Try using VPN to fix the connection problem.

Note:  The screens shown below are from Windows 10, but all the methods also apply to Windows 7/8.

Why can’t I access websites when the DNS server not responding? 

First, let’s figure out what a DNS server is. DNS ( Domain Name System) server helps to translate the website address into the IP address for your browser to connect to.

For example, when you want to access our website: www.drivereasy.com on Chrome, the DNS server translates it into our public IP address: for Chrome to connect to. 

So you may know if there’s any wrong with your DNS server, you cannot access any website on your browser. No exception that if your DNS server stops responding, you cannot access the websites through the Internet.

Solution 1: Correct your DNS server address

The DNS server not responding error could be probably caused by an incorrect DNS server address . So you can follow these to correct your DNS server address:

1) On your keyboard, press the  Windows logo key  and  R  at the same time to invoke the Run box.

how to solve dns server not responding in windows 7

Restart your computer and try to access the website you want to go to again and see if it succeeds.

Solution 2: Clear your DNS cache and reset your IP

how to solve dns server not responding in windows 7

Note: Click  Yes  when prompted by the User Account Control.

how to solve dns server not responding in windows 7

Then restart your computer and try to access the website you want to visit again and see if it succeeds.

Solution 3: Update your network adapter driver

Your DNS server won’t respond if the network adapter driver is outdated.  You can update your network adapter driver manually or, if you’re not confident playing around with drivers, you can do it automatically with  Driver Easy .

Driver Easy will automatically recognize your system and find the correct drivers for it. You don’t need to know exactly what system your computer is running, you don’t need to risk downloading and installing the wrong driver, and you don’t need to worry about making a mistake when installing.

You can update your drivers automatically with either the FREE or the Pro version of Driver Easy. But with the Pro version it takes just 2 clicks (and you get full support and a 30-day money-back guarantee ):

1) Download   and install Driver Easy.

how to solve dns server not responding in windows 7

After updating your network adapter driver, please restart your computer. Try to access the website you want to go to again and see if it succeeds.

Solution 4: Restart your modem and router

If your modem or router doesn’t work properly, the DNS server could stop responding, either.  You can restart your modem and router if you have one to solve the problem.

how to solve dns server not responding in windows 7

2) Try to access the website you want to go to again and see if it succeeds.

Hopefully, this article has helped you fixed the problem. Feel free to comment below with your own experiences and share with your friends or colleagues if they’re experiencing the same problem.

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DNS Server Not Responding: How To Fix Error In Windows

Disclaimer: This post may contain affiliate links, meaning we get a small commission if you make a purchase through our links, at no cost to you. For more information, please visit our Disclaimer Page .

Are you suddenly unable to access the internet? Checked your router is turned on?

The first thing to do would be to run the Window Network Diagnostic tool to troubleshoot the problem.

Related Article: Fix “Server DNS Address Could Not Be Found” In Chrome

After executing the Windows Network Diagnostics tool to diagnose this problem, the tool might show you the following error message:

“Your computer appears to be correctly configured, but the device or resource (DNS server) is not responding.”

Or if it doesn`t give the above message, it might provide you with one that is closely similar to the error text below:

“The DNS server isn’t responding.”

DNS server not responding

Tips to fix DNS server not responding error in Windows .

If you`re experiencing this problem, you don’t need to worry, because the dns error is readily fixable.

“DNS server not responding error” is a common issue that occurs on many Windows computers.

The issue disallows a PC to access the Internet, regardless of the router.

So if you`ve seen any of these messages above, which often occur in Windows 7, Windows 8, 8.1, and Windows 10, it might be a problem that relates to the configuration of your computer, hence why the server is not responding.

Table of Contents

Can You Use Your Phone if Disconnec... Please enable JavaScript Fixing “DNS Server not Responding” Error

In this post, I will show you 6 ways to solve the DNS server not responding error, depending on what situation your PC is in.

It isn`t a must you try all the fixes below, work your way down the list until you bump into one that works for you.

It is usually as simple as fixing the dns cache .

How To Fix “DNS Server Not Responding” Error In Windows

Solution 5: Enter MAC Address Manually

All the above fixes are very straightforward and easy to follow.

Let`s start from the basis.

Solution 1: Fix Network Address

First, the “DNS not responding” error might be a result of incorrect DNS server address. To correct the DNS server address, here is a step-by-step procedure to get it set back.

Network and Sharing Center

Change adapter settings

Tip: You can quickly access this section by pressing Windows + R and then fill out “ncpa.cpl” without the quotes and press Enter.

Select Properties

Change DNS Settings

The preferred and alternate DNS server of Google’s DNS is and, respectively.

If you don’t want to use Google’s DNS, you can use OpenDNS: OpenDNS address: and Or pick any of these third-party DNS servers.

They are also the best alternative DNS servers.

Alternatively, you can fix the Network Address Manually. And here`s a straightforward guide on how to go about it:

Physical Address

For example, if your physical address is BE-4C-C4-DB-A9-C0, you will type BE4CC4DBA9C0.

Read Article: Fix Application Has Been Blocked From Accessing Graphics Hardware

Solution 2: Reset DNS Settings

Here is the second method to fix the DNS server not responding error on your Windows PC.

Use this solution when the first method can’t help you to solve the problem.

Tip: You can also use both methods to fix this issue. There will be no harm to your computer at all.

Step 1: Open a Command Prompt program by pressing Windows + R on your keyboard, type “cmd.exe” and press Enter.

Step 2: Perform all commands below, one by one:

Step 3: After finishing, you can reboot your computer. The problem should be gone after restarting.

Solution 3: Update the Network Adapter Driver

Yes, an old network adapter driver might be the cause of the “DNS server isn`t responding” connect issue . Checking if your driver is up-to-date and compatible with your current operating system might be another solution. And here is the procedure to readily check if your network driver is up-to-date:

In some cases, Windows updates may lack new drivers available. In such situations, head over to your computer manufacture support website to download the latest driver.

Assumedly, you can`t connect to the internet. Thus, you require another computer with an internet connection, and then save the driver on an external drive and manually install it on your computer.

Here`s an in-depth guide to walk you through the manual installation procedure from the external drive.

NOTE: This process works after downloading the Network driver update from a computer with internet access.

After step 7, restart your computer and confirm if your PC has internet access.

Solution 4: Roll Back the Network Driver to Previous Version

In some instances, the “DNS do not respond” error can be a result of a recent driver update release for a network adapter, which isn’t compatible with the operating system you`re using.

In such cases, returning the Network adapter driver to an older version might work excellently. To roll back to an older version, here are steps to get it through:

Once you have completed the process, open your web browser to confirm if you have access to the internet.

A Media Access Control address (MAC) of a device is a distinctive identifier appointed to network interfaces for communications at the data link layer of a network segment.

MAC addresses for many IEEE 802 network technologies, including Ethernet and WiFi.

Manufacturers of network interface controller are the one who assigns Mac Addresses they store the address in its hardware such as the card`s read-only memory or other firmware mechanisms.

Entering the MAC address manually can fix the “DNS SERVER not responding error.”

However, it`ll first requires you to locate it using an elevated Command Prompt. Here is the step-by-step procedure to find your Mac Address:

Now you have your Mac address. The next thing is to configure your network connection manually. Configuring network connection manually

Solution 6: Restart Your Router or Modem

In some cases, modem or router may operate faultily, so that the DNS server could stop responding. And when that is the case, a simple execution like restarting your modem or router might solve the problem.

Updated: I have received several emails from users that tell me that their firewall has blocked the internet connection. That could be a reason why you see this DNS error on your computer.

To diagnose and troubleshoot this issue, you should disable your Windows firewall (or any third-party firewall programs).

I hope this short guide can help you to solve the DNS server not responding error on your Windows computer.

Related posts:

Looking for something.

DNS server is not responding [Fixed]

Your computer appears to be correctly configured, but the device or resource (DNS server) is not responding

What is a DNS Server?

Fix dns server is not responding, fix dns issues & problems, 1] change the dns server address manually, 2] use alternative dns, 3] enter physical address in the network adapter setting.

Select Configure.

Then follow these steps-

4] Disable your Firewall

Can i reset my dns server.

Related : Computer appears to be correctly configured, but the web proxy is not responding .

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DNS server not responding – what’s next?

DNS server not responding? Here’s how to fix the error

If your browser can’t establish a connection to the internetInternet, the Windows Troubleshooting function will occasionally respond with the message, “DNS server not responding”. There are many factors that can cause this notification to appear. Fortunately, this the DNS server problem can generally be correctedfixed in just a few simple steps.

DNS: online name resolution

Changing your web browser, deactivating the firewall (temporary), restarting the router, changing the dns server via the router, change dns server under windows, changing the dns server using powershell, changing the dns server using the command prompt, checking the new dns server.

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how to solve dns server not responding in windows 7

The domain name system (DNS) is a directory service used for transforming alphanumeric domain names into numeric IP addresses . A decentralized process, name resolution generally takes place on DNS servers’ networks distributed throughout the world. Every Internet address you enter into your web browser’s search bar is then forwarded by your router to a DNS server. This server then dissolves the domain name into a numeric sequence and returns a corresponding IP address . Should the DNS server fail to produce an answer because it’s down, then it won’t be possible to access the desired website; the result is the error message “DNS server not responding”.

DNS server is down: The best solutions at a glance

The root of such irritating messages can often be traced back to the server outage. In such cases, the DNS server is temporarily unavailable. Most of the time, these problems can be corrected by changing browsers, or switching a few of your firewall settings. Restarting the router or changing the DNS server can also solve the problem.

To ensure the connection problem isn’t being caused by your web browser , carry out a test by attempting to visit the desired web page with alternative applications . Web browsers like Mozilla Firefox, Google Chrome, Microsoft Edge, and Apple Safari are some of the most conventional options. If you can solve the problem simply by switching browsers, then check your preferred application’s settings and make sure you’re using the latest version of it. Certain circumstances may require uninstalling the program and reinstalling it again.

In case you aren’t able to achieve your desired results simply by changing browsers, then the next step is to rule out Windows Firewall as the possible culprit. Pull up the control panel and temporarily deactivate the firewall . If you’re now able to access the desired website, then it looks like you’ve identified the Firewall as the source to the problem. Next, check its configuration . Should the error persist even after deactivating the firewall, then the DNS server may yet prove to be the cause of the problem.

Connection problems can often be solved by restarting the server. Most devices include a power button specifically for this purpose. Should this fail to yield any results, then it looks like a hard reboot may be in store; this is done simply by pulling out the power plug. Wait around 30 seconds until all of the electrical components have completely powered down before starting up the device again. Should you receive the error message “DNS server not responding” after having completed the first two steps, then the only choice remaining is to choose an alternative DNS server.

Selecting another DNS server

If you have ruled out common causes of error such as the router software crashes or conflicts with Windows Firewall, then changing your DNS server could be the solution.

Typically, the Internet provider usually assigns the DNS server address. A few clicks is all it takes to replace the DNS server with your desired server.

Using a public DNS server is also an option; just look on specific DNS server lists. Google operates a fast, free, and very reliable public DNS server. How to set up these DNS servers via the router settings or under Windows 10 and Windows 11 is explained in the step-by-step instructions below.

If you want to change the DNS server via your router’s settings, first open your browser and access your router as follows:

If Internet Protocol Version 6 (IPv6) is used instead of the Internet Protocol Version 4 (IPv4), then the IPv6 addresses of the DNS server must also be exchanged. The public DNSv6 addresses of the Google servers are:

- 2001:4860:4860::8888

- 2001:4860:4860::8844

Step 1: Show network connections

Use the search function to search for “ Network connections ”. Click the result “View network computers and devices” with the left mouse button to open the menu.

Windows 11: Search for network connections

Step 2: Select the network adapter in use

In the second step, you now need to select the Internet adapter you are using. If you have a wireless connection, select the WLAN adapter (Wireless Network Connection). If you are connecting to the Internet via cable, the LAN adapter is the right choice (LAN connection/Ethernet). Once you have identified the correct network adapter, right-click on it and select the “Properties” menu item.

Windows 11: Select network adapter

Step 3: Select Internet protocol

Now it is time to select the Internet protocol in use. You can choose between the Internet Protocol version 4 and the Internet Protocol version 6. Start with the DNS server settings for version 4 by selecting it and then clicking the “ Properties ” button.

Windows 11: Select Internet Protocol

Step 4: Change DNS server address

Click on “ Use the following DNS server addresses ” and enter the address of the alternative DNS server there. For example, if you want to use Google’s DNS server, enter for “Preferred DNS server” and for “Alternate DNS server”.

Change DNS server address in Windows 11

Click the “ OK ” button to confirm the DNS server change.

If Internet Protocol version 4 (IPv4) is used instead of Internet Protocol version 6 (IPv6) , select version 6 in the third step and set the corresponding IPv6 addresses. For example, for Google servers, these would be 2001:4860:4860::8888 and 2001:4860:4860::8844 .

You can also use Windows PowerShell to change the DNS server. This method is more suitable for experienced users. With just a single command, you can change the DNS server without having to click through all the Windows menus if, for example, the currently entered DNS server is not responding.

Click on the Windows icon on the task bar, search “ PowerShell ”, right-click “ Windows PowerShell ”, and then choose “ Run as administrator ” from the menu.

Now you can determine the name (alias) of the adapter (i.e. the network cable), which should connect you to the Internet. To do this, enter the following command into PowerShell:

Setting the adapter via PowerShell

In the example, the name of the adapter is “Ethernet”. Use the following command to change the DNS server addresses:

Instead of “Ethernet” insert the previously determined interface name (if different).

Changing the DNS Server via PowerShell

The DNS server addresses, and , are the addresses of Google’s public DNS servers. If another public DNS server is used, both addresses need to be changed accordingly in order to comply.

Changing the DNS server via the command prompt is also aimed more at users with some experience in Windows administration.

First open the command prompt as an administrator by entering “ cmd ” in the search function, right-clicking the appropriate search result and clicking “ Run as administrator ”.

Next, determine the interface name as well. This is done with the command:

Now you can configure primary and secondary DNS servers with the following commands:

Changing DNS server via input prompt

The name in the quotes must match the previously set interface name!

You can find out whether changing DNS server has solved the problem by carrying out a simple test. Enter the URL of a well-known site in your browser e.g. https://www.google.com . If the site can be accessed, it means the DNS server is functioning properly.

If the site can’t be accessed, you can enter the following IP address into your browser: . This is one of Google’s IP addresses. If Google doesn’t appear after entering the address, it probably means there’s a general Internet problem rather than a problem with the DNS server.

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