How to enable/disable ipv6 on Windows 10?

You may find your ipv6 is disabled. Open network & internet settings, click “change adapter options”, double-click an adapter, you will see “IPV6 connectivity: No network access”. It is very weird because you have ticked the “Internet Protocol Version 6 (TCP/IPv6) on the properties dialog. You may find many methods to resolve this problem such as in this post and this post. But none of those methods works. In fact, you need to edit the registry. Under \HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters, change the value of DisabledComponents from original 0xffffffff to 0, then you may need to execute the following commands:

And you may need to disable the iphelper service. In the end, you need to restart your computer and you will find ipv6 is now enabled.

 

 

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