If you are unable to change the domain name in Windows 11/10/Server, fix the Name resolution (DNS) issues and update the ...

If Windows can't resolve domain name, try registering DNS manually, fix corrupted GPO files, allow outgoing DNS requests in the server firewall, etc.

The problem is that Google's VPN app changes the Windows DNS settings of all network adapters to always use Google's DNS, whether the VPN is on or off.