Offline Defragmentation of Exchange 2003 Server

Posted on 2004-11-03
Last Modified: 2008-02-26

I have run tests on a copy of a Exchange 2003 Database the MDBDATA folder which contains the edb and the stm files.  the offline defrag on the test folder has been successful decreasing the size of the database.

However I wanted to you, if I do an offline defrag on the real folder, does it make any affect when I re-start the server.

I.E. Mail content within mailboxes?

If I am not clear, please ask so that I can clarify further.
Question by:AJAY_MASSON

    Accepted Solution

    When performing an offline defrag of the exchange database using eseutil /d, it gets copied to a temporary file during the defrag. If the defrag does not complete the database is return to the state it was in before the defrag was started.
    After a successful defrag, there should be no content changes within mailboxes. If you have any other questions please ask.

    Author Comment

    So when I restart the services, user will not have lost any emails or no chnage other than the DB file has got smaller.

    How many times can you run a degrag offline, is this a good think to do more than once if the database keeps exceeding it's size?


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