If you open ADUC and see an error like "Naming information cannot be located," you need to join your Windows client to the domain (or ensure your VPN connection is active and DNS is pointing to your domain controllers).
Are you using RSAT or do you prefer Windows Admin Center? Let us know in the comments below! rsat tool
RSAT is a collection of tools that provides a comprehensive set of management features for Windows Server. The tool allows administrators to perform various tasks, such as: If you open ADUC and see an error