How to Disable IPv6 through Group Policy
Download The ZIP file contains both the ADMX and ADML files:
Now use the Group Policy Management Console (GPMC) to configure the IPv6 settings.
For example, create new policy and click Edit.
The new policy will be located under Computer Configuration > Policies > Administrative Templates > Network > IPv6 Configuration.
Read Explain tab.
Here, you can configure the following IPv6 settings:
Edit Default Domain Policy, go to Computer Configuration > Policies > Administrative Templates > Network > IPv6 Configuration, Open IPv6 Configuration Policy and set on Disable all IPv6 components and click OK.
Run GPUPDATE /FORCE.
Now, run IPCONFIG /ALL on Windows 10 before Restarting.
Now, Restart Windows 10 and run IPCONFIG /All again.
Navigate to the following registry key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\DisabledComponents (32-bit DWORD value)
Noted: You must manually clear the checkbox for IPv6 on each network adapter. Unfortunately, there is no way to do this via Group Policy (mainly because each NIC has a unique GUID in the registry).