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Move mailboxes across forests:<br />
<a href="http://technet.microsoft.com/en-us/library/aa997145.aspx" rel="ugc">http://technet.microsoft.com/en-us/library/aa997145.aspx</a>&nbsp; <br />
<br />
Or you can do export-mailbox / import-mailbox, but I would do the across forest move.<br />
<br />
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Move mailboxes across forests:
http://technet.microsoft.com/en-us/library/aa997145.aspx [http://technet.microsoft.com/en-us/library/aa997145.aspx] 

Or you can do export-mailbox / import-mailbox, but I would do the across forest move.




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I have domain X running exch 2007.<br />
I have domain Y running exch 2007 server. &nbsp;Separate forests. <br />
Im migrating domain X to Domain Y. All the users in domain X, already have new account and mailbox created in domain Y. We did not run ADMT for this process so no SID history is available. &nbsp;Is there a way to move domain X mailboxes to Domain Y and merge the contents of domain X mailboxes to the users new mailbox in Domain Y ? &nbsp;The naming schemes are different as well (domain X, &nbsp;fistinitallastname, domain Y &nbsp;firstname.lastname). <br />
All the mailboxes on domain Y are empty. They are just forwarding mail. <br />
What options are available to accomplish the moving/merging of mailboxes from domain x to domain Y in this scenario? <br />
Thxs <br />

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I have domain X running exch 2007.
I have domain Y running exch 2007 server.  Separate forests. 
Im migrating domain X to Domain Y. All the users in domain X, already have new account and mailbox created in domain Y. We did not run ADMT for this process so no SID history is available.  Is there a way to move domain X mailboxes to Domain Y and merge the contents of domain X mailboxes to the users new mailbox in Domain Y ?  The naming schemes are different as well (domain X,  fistinitallastname, domain Y  firstname.lastname). 
All the mailboxes on domain Y are empty. They are just forwarding mail. 
What options are available to accomplish the moving/merging of mailboxes from domain x to domain Y in this scenario? 
Thxs 


exch 2007 mail migration

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.