Windows 7 domain join problems surface old NT4 problem
Issues joining a Windows 7 machine to a domain, where the domain controller handling the domain join request is having old NT4 rests on it, has surfaced. The problem is related to an old overload workaround when upgrading an NT4 domain to Windows Server 2000 or 2003 domain controllers. The KB article which provide the solution is now published, see KB2008652 for more information on the resolution. Note that the problem also applies to joining Windows Server 2008 R2 servers to the domain.