30 Officially, Microsoft says a direct migration from a Windows 2000 Server Domain Controller to Windows 2008 R2 (or even just regular Windows 2008) isn’t supported. But I just did it… in about an hour. You can, too! Migrating an Active Directory Domain Controller from Windows 2000 to ...This entry was posted in Reference Technology Windows and tagged Active Directory adprep adprep32 DC dcpromo dhcp server domain controller FSMO FSMO roles transfer migrate promote R2 transfer FSMO roles win2k Windows 2000 Windows 2008 windows 2008R2 Windows Server on January 22, 2010 by Steve Jenkins (updated 3955 days ago)