Domain Controllers

   

The upgrade to Active Directory can be gradual and performed without interrupting operations. If you follow domain upgrade recommendations, it should never be necessary to take a domain off line to upgrade domain controllers, member servers, or workstations.

In Active Directory, a domain is a collection of computer, user , and group objects defined by the administrator. These objects share a common directory database, security policies, and security relationships with other domains. A forest is a collection of one or more Active Directory domains that share the same class and attribute definitions (schema), site and replication information (configuration), and forestwide search capabilities (global catalog). Domains in the same forest are linked with two-way transitive trust relationships.

To prepare for upgrades in a domain containing Windows 2000 domain controllers, it's recommended that you apply Service Pack 2 or later to all domain controllers running Windows 2000.

Before upgrading a domain controller running Windows 2000 to Windows Server 2003 or installing Active Directory on the first domain controller running Windows Server 2003, ensure that your server, your forest, and your domain are ready.

Two command-line tools are helpful in upgrading domain controllers:

  • Winnt32.

    Use Winnt32 to check the upgrade compatibility of the server.

  • Adprep.

    Use Adprep on the schema operations master to prepare the forest. Running Adprep on the schema master updates the schema, which in turn replicates to all of the other domain controllers in the forest.

Note that you cannot upgrade domain controllers running Windows 2000 to Windows Server 2003 or add domain controllers running Windows Server 2003 to Windows 2000 domains until you have used Adprep to prepare the forest and the domains within the forest.

More Information

For more information about Windows Server 2003 command-line tools and about upgrading domain controllers, see Windows Server 2003 Help and Support Center.



   
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Introducing Microsoft Windows Server 2003
Introducing Microsoft Windows Server(TM) 2003
ISBN: 0735615705
EAN: 2147483647
Year: 2005
Pages: 153

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