Rename a domain controller

Windows Server 2019

In this tutorial, we will see how to rename domain controller in the “rules of the art”.

The name change happens in several times, here is a summary:

  • Add a secondary name to the DC
  • Permutation of the secondary name in primary
  • Deleting the secondary name

In an environment with multiple domain controllers, it is advisable to ensure that replication is effective across all DCs between each step.

Change the name of a domain controller

The following commands are to be executed on the controller to rename as Administrator.

Add a secondary name:

netdom computername dc-old-name.dom.loc /add:dc-new-name-secondary.dom.loc

It is possible to check that the command is taken into account by looking at the Active Directory attribute msDS-AdditionalDnsHostName.

Passer le nom secondaire en primaire :

netdom computername dc-old-name.dom.loc /makeprimary:dc-new-name-secondary.dom.loc

Restart the server to take into account the name change.

Delete the old name:

netdom computername dc-new-name-secondary.dom.loc /remove:dc-old-name.dom.loc 


It is possible to display the names with the following command:

netdom computername dc-name.dom.loc /enumerate

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