Is it possible to migrate Exchange 2010 MB to Exchange 2003?

Posted on 2011-02-18
Last Modified: 2012-05-11
I had a user on Exchange 2003. I migrated his MB to Exchange 2010. Now want to temporarily move him back to Exchange 2003 & I keep getting a failure when I try to move him back to Exchange 2003.

Attached is the error message.
Question by:someITGuy
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LVL 31

Expert Comment

ID: 34928457
Create a new DB to move the mailbox to on E2k3 or increase your named properties Quota reg entry
LVL 31

Expert Comment

ID: 34928513
Are you getting event ID 9667 on the Exchange 2003 server in the Application event log when you try and move the mailbox to it?
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Expert Comment

ID: 34928541
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LVL 43

Expert Comment

ID: 34928604
Moving mailboxes from Microsoft Exchange Server 2010 to Exchange Server 2003? Consider the following:

The move process is performed offline, and end-users won't be able to access their mailboxes during the move.

Perform the move from the server running Exchange 2010 by using the move request cmdlets in the Exchange Management Shell. You can't use Exchange System Manager on an Exchange 2003 server to move the mailboxes.

If you're moving a mailbox that has a personal archive associated with it, you must disable the archive before moving the mailbox. For details, see Disable a Personal Archive for a Mailbox.

If you’re moving a mailbox to Exchange 2003, you must disable single-item recovery and purge the Recoverable Items folder. For details, see Clean Up the Recoverable Items Folder.
LVL 34

Expert Comment

by:Shreedhar Ette
ID: 34928633

Author Comment

ID: 34929315
I am getting event 9667 on the E2k3 Exchange.
LVL 31

Accepted Solution

MegaNuk3 earned 500 total points
ID: 34929580
Have a look at this interesting article which states to install the hotfix I mentioned earlier first (KB972077) and then if you are still getting the event, increase the quota:
LVL 31

Expert Comment

ID: 35080027
Thanks for the points, did end up just installing the hotfix or did you have to change the registry too in the end?

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