demote Domain controller failure

Question

Hi,

I demote Domain controller failure. As I see it still as a DC in the domain. and actualy the serer already exitted from Domain and bing a memeber of WORKGROUP.
Now. Try to rejoin the Domain failure, as the account exist in the domain.

Is it to be cleaned up from domain prior rejoin, or Is there any method to rejoin domain?

Brgds
Liu Wei

Answer 1

Hi,
After you demote a domain controller, it still shows in the ADUC or the AD site and service ,then we should perform a metadata cleanup.
Clean up server metadata using Active Directory Users and Computers
Clean up server metadata using Active Directory Sites and Services
Clean up server metadata by using Ntdsutil
For more information ,you can refer to:
https://learn.microsoft.com/en-us/windows-server/identity/ad-ds/deploy/ad-ds-metadata-cleanup

After you do the metadata clean, it should work as a normal domain member .You can disjoin the server from the domain and rejoin it again.
Best Regards,