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Transition Windows 2003 Sp2 (Not R2) to Windows 2008 R2 Domain
We have a Windows 2003 domain, Current Schema version is 30. We are looking to implement a 2008 R2 domain structure. Is it wise to update the schema to 2003R2 (31) first or can we just go ahead and adprep with the Windows 2008 R2 (32-bit) media and move straight to 47?
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Worked like a charm.
Command Domain Controller
adprep.exe /forestprep Schema Master
adprep.exe /domainprep Infrastructure Master
adprep.exe /domainprep /gpprep Infrastructure Master
adprep.exe /rodcprep * Domain Naming Master
adprep.exe /domainprep /gpprep is not required, if you are upgrading your domain from windows 2003/20032 to windows 2008/2008 R2, its only required during the upgrade of windows 2000 to 2003/R2 or 2008/R2.
The function of gpprep is to add permission on policy folder in Sysvol.
Once you verify everything is well & good, then only proceed, which is only way to achieve error free upgrade..