Upgrading Windows 2000 DC to 2003
Inventory the domain controllers that are in the domain and in the forest
331161 Hotfixes to install before you run adprep /Forestprep on a Windows 2000 domain controller to prepare the Forest and domains for the addition of Windows Server 2003-based domain controllers http://support.microsoft.com/kb/331161/
Use Dcdiag.exe from the support tools to verify that all the domain controllers have shared Netlogon and Sysvol shares. To do so, type the following command at a command prompt:
Examine the event logs on all the domain controllers for problematic events. The event logs must not contain serious event messages that indicate a problem with any of the following processes and components:
DNS Scavenging (Optional)
Enable DNS Scavenging at 7-day intervals for all DNS servers in the forest.
Categorised as: Windows Upgrade