Consider your source and destination (target) domains involved in the migration. The target domain must be an Active Directory domain running in Native mode (either Windows 2000 or Windows Server 2003). When evaluating your migration scenario, you must determine which types of migration you can do.
There are two types of migrations:
Interforest migrations Migrating from a Windows NT domain or a different Active Directory forest.
Intraforest migrations Migrating from an Active Directory domain within the current forest. Intraforest migration can also be used to consolidate multiple Active Directory domains into a single domain, easing management of users and groups under a single set of policies.
You must establish ...