Active Directory Cookbook

2.11. Determining if ADPrep Has Completed

Problem

You want to determine if the ADPrep process, described in Recipe 2.10, has successfully prepared a Windows 2000 domain or forest for Windows Server 2003. After ADPrep has completed, you will them be ready to start promoting Windows Server 2003 domain controllers.

Solution

To determine if adprep /domainprep completed, check for the existence of the following object where <DomainDN> is the distinguished name of the domain:

cn=Windows2003Update,cn=DomainUpdates,cn=System,<DomainDN>

To determine if adprep /forestprep completed, check for the existence of the following object where <ForestRootDN> is the distinguished name of the forest root domain:

cn=Windows2003Update,cn=ForestUpdates,cn=Configuration,<ForestRootDN>

Discussion

As described in Recipe 2.10, the adprep utility is used to prepare a Windows 2000 forest for the upgrade to Windows Server 2003. One of the nice features of adprep is it stores its progress in Active Directory. For /domainprep, a container with a distinguished name of cn=DomainUpdates,cn=System,< DomainDN > is created that has child object containers cn=Operations and cn=Windows2003Update. After adprep completes a task, such as extending the schema, it creates an object under the cn=Operations container to signify its completion. Each object has a GUID for its name, which represents some internal operation for adprep. For /domainprep, 52 of these objects are created. After all of the operations have completed successfully, ...