Exchange Mail Store Moves

Posted on 2008-10-07
Last Modified: 2012-05-05
Is there a higher risk in moving an exchange store database and log files to a new location vs moving the mailboxes 1 by 1?

We've been moving mailboxes 1sy 2sy moves with low risk.  We've never moved an entire mail store database before along with the trans logs.  Is this common practices?  Recommended?  Supported?  Any best practice tips?
It will be moved from 1 of our Exchange servers over to our new SAN.
Question by:ncvadf
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Expert Comment

ID: 22658482
Are you stating that you want to move mailboxes between servers being safe versus moving an entire store (database and log files) ??


Author Comment

ID: 22658499
No......we've been moving mailboxes.......taking a long time.....I am asking if a database move is the best way to go.....Is it a higher risk, supported, etc?
LVL 33

Accepted Solution

Exchange_Geek earned 250 total points
ID: 22658535
Well, it is not supported - also high risk involved in it - since what you are thinking of in exchange terms is called fork-lifting exchange database - now you need to get facts clear that your users have certain attributes which are associated with your source server - if you tend to move the database (keep in mind the store will mount as long as both servers are part of same Exchange organization and administration group) across servers - you will find all the mailboxes in disconnected state - since the active directory (in other words users - mailboxes) does not know that database has been moved to the new server since all you have moved are database files (EDB + STM) and few log files (which wont be required since you would be dismounting the stores first hence, stores would be in good shape).

hope this clears your doubt.

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Author Comment

ID: 22658562
Sorry, but can you re-explain that.......perhaps more than 1 long run-on awkward sentence.....I got most of it.
LVL 33

Expert Comment

ID: 22658648
Ping me at to clear your Q and Ans
LVL 33

Expert Comment

ID: 22658981
Sorry i just went on typing ;)

In short Microsoft does not support fork-lifting (the method which you are thinking of)

Also, the reason why it is never suggested to perform this method is. Active directory users information are never updated since you are now moving the database to another store. This means that the attributes which point to old server will not get updated since you are not using the traditional Exchange method of move mailbox.

Isn't this a short and sweet answer :)

Author Comment

ID: 22659015
Thanks.......this is the info I was looking for.....We will continue witht the 1sy 2sy mailbox moves over to the SAN.  We have 2 exchange servers.........only 1 of them is now pointed (iSCSI target) over to the SAN.  Therefore, the mail stores moving from that server over to the SAN are not really moving to a different server.......just a new local storage point.

However........all-in-all, we will continue with the mailbox moves, not the mail stores.

Thanks for the info !!

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