What does it mean to demote a domain controller?

Demoting an additional domain controller requires Domain Admin credentials. Selecting Force the removal of this domain controller demotes the domain controller without removing the domain controller object’s metadata from Active Directory.

How do I demote a Windows 2003 Server?

How to decommission a Windows Server 2003/2008

  1. On a domain controller, click Start, and then click Run.
  2. In Open (or Run), type dcpromo to open the Active Directory Installation Wizard, and then click Next.
  3. On the Remove Active Directory page, click Next, and then continue to follow the wizard.

How do I demote a domain controller with dcpromo?


  1. Run the dcpromo command from a command line or Start → Run.
  2. Click Next.
  3. If the server is the last domain controller in the domain, check the box beside “This server is the last domain controller in the domain.”
  4. Click Next.
  5. Type and confirm the password for the local Administrator account.

How do I demote a failed domain controller?

Type quit, and press Enter until you return to the command prompt to remove the failed server object from the sites. In Active Directory Users and Computers, expand the domain controllers container. Delete the computer object associated with the failed domain controller.

How long is DCPromo?

It took over an hour to run DCPromo. It reboots upon completion and I get the windows startup screen for over 20 minutes with the little bar moving across the bottom.

How do I manually remove a domain controller?

Step 1: Removing metadata via Active Directory Users and Computers

  1. Log in to DC server as Domain/Enterprise administrator and navigate to Server Manager > Tools > Active Directory Users and Computers.
  2. Expand the Domain > Domain Controllers.
  3. Right click on the Domain Controller you need to manually remove and click Delete.

What happens during DCPromo?

Dcpromo.exe parameters Specifies an unattended installation in which you provide installation parameters and values at the command line. Performs an install from media (IFM) operation. Uninstalls AD DS binaries. Creates a read-only domain controller (RODC) account.

How do I use DCPromo server?

Simply press the Windows key and R key together, type? dcpromo?, and hit enter. DcPromo will begin to install Active Directory Domain Services and other required components.

What is dcpromo?

DCPromo (Domain Controller Promoter) is a tool in Active Directory that installs and removes Active Directory Domain Services and promotes domain controllers.