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cross forest migration from Exchange 2003 to Exchange 2007

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cross forest migration from Exchange 2003 to Exchange 2007 - 25.Jul.2008 4:55:41 AM

kyriakos7

Posts: 5
Joined: 25.Jul.2008
Status: offline

Hi,

I have a problem with a migration from Exchange 2003 to Exchange 2007. There are 2 different forests, one with Windows 2003 with Exchange 2003 and a new one with Windows 2008 and Exchange 2007 sp1.
In the new AD, all the users will be created from scratch, so there is no user migration from the old domain. However, we need to move the mailboxes from Exchange 2003 to Exchange 2007 and the move-mailbox command has a problem if it doesn't find the same user SID in both domains. Also, because there are a lot of mailboxes to be migrated, the option to use .pst EXMERGE utility is not a viable possibility.
Is there any other way to move the mailboxes?

Thanks in advance

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RE: cross forest migration from Exchange 2003 to Exchan... - 31.Jul.2008 3:05:55 AM

jveldh

Posts: 638
Joined: 12.Apr.2008
From: The Netherlands
Status: offline

I don't think so you should have a look for 3th party products. But why do you not migrate the users with preserving the SID this will make the migration a lot easier.
What I can remind from one of those products that is also needs an existing user account with the same SID but I am not sure. Have a look at www.quest.com for this.

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(in reply to kyriakos7)

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