Completely disable IPv6 on Windows Servers/Desktops

Microsoft recommends leaving IPv6 enabled and by default it is. However there may be certain scenarios where disabling IPv6 is desired/required. Unfortunately, simply unchecking the box for IPv6 in the network adapter properties dialog, does not completley disable it.

To disable it completely, the registry must be edited.

In regedit, navigate to:


Create a DWORD named “DisabledComponents”, and set it to:


When done, reboot the server.

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