To force the removal of a domain controller by using the Windows interface At a command prompt, type the following command, and then press ENTER: dcpromo /forceremoval If the domain controller hosts any operations master (also known as flexible single master operations or FSMO) roles, or if it is a Domain Name System (DNS) server or a global catalog server, warnings appear that explain how the forced removal will affect the rest of the environment. After you read each warning, click Yes . If you...
Preparing to Run ADPREP /forestprep ADPREP /forestprep makes modifications to the schema. In order to successfully run it you should: Have a good system state backup for every domain controller in your forest, or at the very least a good system state backup for one domain controller for each domain in the forest. Be logged on as a user that belongs to the Domain Admin, Schema Admin and Enterprise Admin groups in the forest root domain. Ensure that you are running Windows 2000 SP4 or later on all...