Manually move exchange 2013 database to 2007

I have an exchange migration that has gone horribly wrong. We can't access ecp, owa, and exchange shell keeps saying that exchange commands are not recognized.

I just need to get the mailboxes that are on that server and move them back to the original 2007 exchange server.  Trying to do this from the 2007 management console or shell results in the following error:


Move-Mailbox : Error was found for ktest (ktest@aihfs.org) because: Error occurred in the step: Opening source mailbox. Failed to open mailbox with error: An unknown error has occurred., error code: -1056749262At line:1 char:12
+ Move-Mailbox <<<<
KMDCompAsked:
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RadweldConnect With a Mentor Commented:
I guess the problem he's got is that he can't run the required commands in order to do this. you really will have to fix Exchange 2013 first. If things are that bad, If you can't fix it, your best option might be to backup the databases blow away the server, rebuild it using the recover server option and re add the database as a dial tone database.
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Marc DekeyserSr Premier Field EngineerCommented:
You cannot manually move the mailbox database to 2007. It will not work. Right now you're best bet is to move the mailboxes with the -configonly parameter which will note move any data. Once move you can restore a backup an recover the data you lost during the move.

And you should always initiate mailbox moves from the highest version server.
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Peter HutchisonSenior Network Systems SpecialistCommented:
I agree with Geminon on this. Any mailbox moves should be performed on 2013 web admin console to move mailboxes back to 2007 system.
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ArneLoviusCommented:
How about shutting down the IS, copying the databases off, doing a clean install of 2013 on a "new" server, then attaching the databases that were copied off ?

if that then works, shut down the "faulty" 2013 server and manually remove it from AD

http://technet.microsoft.com/en-us/library/dd876873(v=exchg.150).aspx
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