How to remove a dead Domain Controller from Active Directory?
How to remove a dead Domain Controller from Active Directory?
So, you have a dead DC in your network? It could be because of hardware failure or software failure. Anyway, you wanted to remove it from the network and you tried using the Active Directory Users and Computers which it didn’t work. You got an error “The DSA object cannot be deleted” message.
Click on the link below for instructions from Microsoft on how to remove a dead domain controller from AD.