JSI Tip 6741. How do I upgrade Windows 2000 domain controllers to Windows Server 2003 and how to add new Windows Server 2003 domain controllers to Windows 2000 domains?

Microsoft Knowledge Base Article 325379 contains:

This article discusses how to upgrade Microsoft Windows 2000 domain controllers to Microsoft Windows Server 2003 and how to add new Windows Server 2003 domain controllers to Windows 2000 domains.