Completing the Migration

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Applies To: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2

Applies to: Active Directory Migration Tool 3.2 (ADMT 3.2)

After you migrate all the accounts and resources from the source domain to the target domain, perform the following tasks to complete the restructuring process:

  • Transfer the administration of user accounts and group accounts from the source domain to the target domain.

  • Ensure that at least two domain controllers continue to operate in the source domain until the resource migration process is complete.

  • Back up the two domain controllers in the source domain.

After you complete these steps, you can translate security on the member servers in the target domain and decommission the source domain. The following illustration shows the process for completing the migration of Active Directory domains between forests.