Active Directory Domain Services already contain a Computer Account or a Server Object with the specified name: %1. If these ...

Active Directory Domain Services already contain a Computer Account or a Server Object with  the specified name: %1.   If these objects are associated with an existing computer in the domain then this name cannot be made primary.  If these objects are not associated with an existing computer, it may have been improperly renamed or removed from the domain. Remove them from Active Directory Domain Services and retry the make primary operation.  The following tools can be used to locate and remove these objects: For Computer Account - Active Directory Users and Computers . For Server Object - Active Directory Sites and Services .