Force domain controller removal
Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2
Use this procedure to force the removal of Active Directory from a domain controller.
Administrative Credentials
To perform this procedure, you must be a member of the Domain Admins group.
To force domain controller removal
Click Start, click Run, type the following command and then press ENTER:
Dcpromo /forceremoval
At the Welcome to the Active Directory Installation Wizard page, click Next.
At the Force the Removal of Active Directory page, click Next.
In Administrator Password, type the password and confirmed password that you want to assign to the Administrator account of the local SAM database, and then click Next.
In Summary, click Next.