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Use Exchange 2010 to Manage Second Domain in Separate Forest

I have an environment that consists of two domains in seperate forests. There is forest Trust between these domains.

I have an established Exchange 2010 environment in both the domains, I want to use Domain B's exchange server to take over management of Domain A's email. The issue I think I am beginning to run into is that the Domain B's exchange server is simply unable to see Domain A's active directory to move mailboxes over. When I go to look for the active directory domain from the exchange server in Domain B, the other domain simply is not there.

I am not sure where to begin here, I have read up on perhaps using Active Directory Migration Tools to move AD to the other domain, but really thats not what I think I need to do?

I have worked in another environment in the past I have successfully used exchange to work with multiple domains. The difference, that I have noticed is that under domains and trust the other environment listed both domains. In this case though even with the trust in place I do not see this domain as an option to browse.

I am sure I am missing something here, any help appreciated.

Thanks
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mattstarkey
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mattstarkey
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2 Solutions
 
Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Is that a 2 way trust created .... If you try to find a object in ADUC ... can you select the other domain in the Drop down ?

Is your goal to move mailboxes or just access something in both forests or what exactly ?

- Rancy
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mattstarkeyAuthor Commented:
I just went to the domain and trusts and verified that these were indeed 2-way and transitive. However, when I go to ADUC, right click and choose a domain it is not listed when I browse for it. It does let me type in the domain and I can see the objects in the other forest.

The goal is to move the mailboxes to the management domain B and be able to create\mangage new mailboxes for domain A from the domain B management domain. So basically leave AD intact on A.
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
Can you see user or Objects from DomainB for A ?
Do you have a Domain or Forest Trust ?
What is the Domain functionality level in both Forests ?

Exchange 2010 Cross-Forest Mailbox Moves
http://blogs.technet.com/b/exchange/archive/2010/08/10/3410619.aspx

http://social.technet.microsoft.com/Forums/en-ZA/exchange2010/thread/483ba24e-a6e1-4b1e-82be-ffa0aec6fd66

- Rancy
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mattstarkeyAuthor Commented:
I am running in 2003 Domain Functional Level, with a forest trust. I can see the objects in each domain once I go to browse for domain and type in the proper domain. I will review these articles as well, the first I know references the use of ADMT and Powershell. My unfamiliarity with this makes me a bit nervous :)
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Manpreet SIngh KhatraSolutions Architect, Project LeadCommented:
No worries its more for understanding .... if any thing we will try to use something friendly :)

- Rancy
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mattstarkeyAuthor Commented:
Ok so the articles above were a good reference. I did use straight up Powershell to do this move. I used the commands for Prepare-MoveRequest, this created the AD Mail enabled user on the target, and the New-MoveRequest to bring over the Mailboxes.

The upside of using straight powershell was that it worked slick, the downside was I could not find a way to pull over distribution groups or contacts. But, that was something I was willing to re-create. The option to use ADMT that is mentioned didn't really fit the situation here. We wanted the remote site to remain AD intact on that side, we just wanted to bring their eMail environment to our internal infrastructure.
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mattstarkeyAuthor Commented:
The articles provided helped steer me to the solution I needed, but ultimately these were not the end all answer.
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