Re: Merging two trees into a forest

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From: dnolan (dnolan_at_discussions.microsoft.com)
Date: 10/13/04 

Date: Tue, 12 Oct 2004 17:41:05 -0700

Good evening,

I appreciate your response. I had pretty much come to that conclusion.

Would you happen to know if there's a KB article or white paper on how to
back out an Active directory that's still in mixed mode?

Thanks again

"Dave Shaw [MVP]" wrote:

> The short answer is no. There is no way to *merge* one forest into another.
>
> However, are you still in mixed mode, or have you made the switch to Native
> or beyond? If so, you could just back down one of the domains to a Windows
> NT domain and then migrate it into the other forest. If you are beyond
> Native mode - you will probably have to migrate the accounts into one or
> another forest.
>
> -ds
>
>
> "dnolan" <dnolan@discussions.microsoft.com> wrote in message
> news:DBC524BB-A688-4A2D-AE84-E0E419CE4C33@microsoft.com...
> > Good morning,
> >
> > I recently upgraded teo NT4 domains to Windows 2003 AD. When I did this, I
> > made each domain a seperate, unrelated tree and then established trusts
> > between the two domains to allow users in Domain A to be authenticated
> > into
> > Doman B and make use of the resources in Domain B. Despite the fact that
> > authentication between the domains is clearly taking place, it appears
> > that
> > the two domains are otherrwise unaware of each other. For instance, even
> > though I am able to map to network shares on server located in B using my
> > USERID which is homed in A, when I try to log onto my workstation which is
> > homed in B using the same USERID, it tells me that I can not be logged
> > because Domain A is not available. I am thinking, at this point, that the
> > mistake that I made was in not making Domain B a child directory of Domain
> > A
> > and establishing an AD forest rather than two seperate trees. Is there
> > anyway
> > to now migrate the two domains together into one forest with Domain A as
> > the
> > top level domain? running dcpromo and wiping out Domain B is not an
> > option.
> >
> > TIA
> >
>
>
>

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