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Adapt Your Plan for Domain Migration

Updated: March 28, 2003

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Domain migration introduces additional issues for user state migration. Command-line parameters available in USMT make it easy to change the domain name and the user name during a migration. However, these switches do not resolve issues related to security identifiers (SIDs) during domain migration.

The Active Directory Migration Tool (ADMT) addresses issues that USMT does not handle. This tool can help you to diagnose possible problems before starting migration operations.

ADMT provides the following capabilities:

  • Using task-based wizards, you can migrate users, groups, and computers; set correct file permissions; and migrate mailboxes for Microsoft® Exchange Server.

  • Using the tool’s Reporting feature, you can assess the impact of the migration both before and after move operations.

  • The tool also provides support for parallel domains, so that you can maintain your existing domains under the Microsoft® Windows NT® version 4.0 operating system while you deploy a later version of the Windows operating system (Microsoft® Windows® 2000; Windows® Server 2003, Standard Edition; Windows® Server 2003, Enterprise Edition; or Windows® Server 2003, Datacenter Edition).

For information about issues related to the migration of domain user objects and how domain migration affects the migration of user state, see the ADMT Cookbook link on the Web Resources page at

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