SUMMARY
Step-by-step instructions for restoring the domain controller back into the domain forest without corrupting other domain controllers.
DESCRIPTION
Microsoft has published a document which outlines the best practices for running Windows Domain Controllers as VMs in a Hyper-V environment.
For full detail, see "To restore a previous version of a virtual domain controller VHD without system state data backup" within Microsoft's document at: https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2008-R2-and-2008/dd363553(v=ws.10)