Performing a domain migration from Windows NT or another Windows 2000 or Windows Server 2003 forest requires an existing destination domain (to which you are migrating) as well as an established trust relationship between source and destination domains.
To migrate a Windows NT account domain to Windows Server 2003, you must perform the following procedures, each of which is discussed as appropriate later in this chapter:
Establish the destination domain (which must be running in Windows 2000 Native mode or Windows Server 2003 mode).
Use Active Directory Domains and Trusts to create a trust relationship between the source and destination domains. Be sure to migrate the trusts (by using the Trust Migration Wizard ...