IPv6 No Network Access on Windows 10? Best Fixes 2020!

IPv6 No Network Access on Windows 10? Best Fixes 2020!
Content :

What Cause IPv6 No Network Access

Internet Protocol version 4 (IPv6) is the latest internet protocol version that will replace the internet Protocol version 4 (IPv4). However, sometimes you find the status of you IPv6 connection is “No Internet access” hence you are unable to use the internet.

IPv6 connectivity has no network access

What cause IPv6 no internet access? Here are some possible reasons:

  • Outdated network drivers.
  • Strict firewall & antivirus programs.
  • Incorrect HT mode.

Now, let’s see how to fix IPv6 no internet access issue.

Fix 1. Reset the Winsock and TCP/IP Stack

Resetting Winsock is an effective way to resolve the IPv6 no Internet access problem. Using this way requires you to use an elevated command prompt. Here is the full guide.

  1. From Windows Search bar, type command prompt and select Run as administrator from the best match dispaly.
  2. In the elevated command prompt, type netsh winsock reset catalog and hit the Enter key. If you are prompted to restart your computer in order to complete the reset, you may just ignore it and continue with the next command.
  3. Type netsh int ipv6 reset reset.log and hit Enter.
  4. Now estart your computer and see if the IPv6 no network access windows 10 error is resolved.
reset the Winsock and TCP/IP Stack

If this fix fails to work, move on to the next solution.

Fix 2. Disable IP Helper Service

IP Helper is a built-in Windows service that provides the tunnel connectivity for your computer by using IPv6 transition technologies. Disabling IP Helper service can help you fix IPv6 no internet access.

Here is how to do that.

  1. Press Win + R keys to invoke the Run dialog box, type services.msc in the box and hit Enter.
  2. Scroll down to find the IP Helper service from the service list and double click on it to open its Properties.
  3. From the Properties window, change the Startup type to Disabled and click the Stop button. After that, click Apply to execute the change and exit the service.
disable the IP helper service

After disabling the service, restart your computer and check whether the IPv6 no connectivity is fixed or not.

Fix 3. Run Internet Connections Troubleshooter

Running Internet Connection troubleshooter is the most common way to fix the issues related to Internet connectivity. This tool can diagnose and resolve problems automatically. Let’s see how to do that.

  1. From Windows Search box, type troubleshoot settings and open it from the best match result.
  2. Go to Get up and running and then click on the Internet Connections section where you will see the troubleshooter. Click the Run the troubleshooter button and it will detect problems with your internet connections.
troubleshoot internet connection issues

When the troubleshooter has finished its job, you can check if IPv6 connectivity no network access still hangs.

Fix 4. Temporarily Disable Any Antivirus Software

As stated before, Windows Firewall and some antivirus programs may block your device from accessing the internet, leading to IPv6 no network access. To check out, you can disable them temporarily and check if doing this helps.

Let’s see how to disable Windows Firewall service temporarily.

  1. Press Win + R keys to open the Run dialog box and then type services.msc in the box and hit OK.
  2. Scroll down to find the Windows Firewall service and double click it to open its properties.
  3. Change the Startup type to Disabled, and then click the Stop button.
  4. Click Apply to save the change.

To disable other antivirus temporarily, go to each setting to exit the program or you can uninstall them for now. If this method improves to be useless, you can enable or reinstall them later.

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Fix 5. Update Your Network Drivers

Outdated or inappropriate Network drivers may also trigger the IPv6 no connectivity issue. You need to check if your drivers need update. Here’s how:

  1. Right-click Windows Start menu and select Device Manager from the list.
  2. Expand the Network adapters, right-click on the networking device and select Update driver from the context menu.
  3. Here are two options for you to update the drivers: automatically or manually. You can choose one based on your needs and follow the on-screen instructions to complete the operation. If you would prefer to update network drivers manually, then you will have to head to the official driver update site to download the corresponding driver in advance.
update driver software

Fix 6. Change HT Mode

Some users reported that they successfully resolved IPv6 no network access issue on Windows by simply changing the network adapter to HT mode. This way is optional for some of you may not find the HT mode option.

  1. Go to Windows 10 Control Panel -> View by Category -> View network status and tasks -> Change adapter settings  -> find the network connection you are using -> go to its Properties via context menu.
  2. From the pop-up Properties window, click Configure button and then switch to the Advanced tab.
  3. Now scroll down the Property window and then select the HT Mode option and click OK.
choose HT mode in Windows 10

Restart your computer and see if your IPv6 no network access Windows 10 problem is fixed.

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