Trust between domains in different functional levels

Hi there,

I would like to set up a trust between two domains. Problem I have is one of them is pretty old. It has a Windows 2000 Mixed Functional level, and the other domain is 2008 functional level.

Will a unidirectional trust work? (2008 trusts 2000 mixed mode) or am I forced to rise the functional level?

I basically want my users in the old domain to be able to login (via RDP) into the machines in the new domain, but not the other way round.

Kind regards.
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You have to  update you domain functional level to Windows 2000 native mode.
Will SzymkowskiSenior Solution ArchitectCommented:
Is this 2 different Forest's you are creating the trust for or are you dealing with a single Forest 2 domains?

If it is 2 Forest's you should be able to create an "external trust" (non-transitive) and the mode needs to be in Native mode.


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jimbobrocksAuthor Commented:
It would be two separated forest, and non-transitive trust. So users in win2000 domain can login into win2008 domain but not the other way round.

So it seems I need to upgrade to windows 2000 native mode. We don't have NT4 DCs anymore (actually not even 2000 DCs only 2003 DCs) so I guess this should be quite straight forward process isn't it?

Will SzymkowskiSenior Solution ArchitectCommented:
That is correct. If you dont plan on having anymore 2000 DC's in your environment or any sub domain in that forest, you can also upgrade the forest functional level as well as the Domain.
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