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mattstarkeyFlag for United States of America

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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
Avatar of Manpreet SIngh Khatra
Manpreet SIngh Khatra
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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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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.
SOLUTION
Avatar of Manpreet SIngh Khatra
Manpreet SIngh Khatra
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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 :)
No worries its more for understanding .... if any thing we will try to use something friendly :)

- Rancy
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The articles provided helped steer me to the solution I needed, but ultimately these were not the end all answer.