Exchange 2010 - unable to mount DB

Posted on 2012-09-09
Last Modified: 2012-09-25
Hi All,

My c drive of my server was full with log files. My assistant deleted the log files for and rebooted the server.

Now the DB won't mount.

What are my options for recovery?

Please help

Question by:AndreYPB
    LVL 52

    Expert Comment

    by:Manpreet SIngh Khatra
    Check for last good backup :)

    Run the below command and shared details
    eseutil /mh "location of .edb"

    - Rancy
    LVL 6

    Expert Comment

    Try soft recovery first
    Run eseutil /mh and bring the check for dirty shutdown.....if yes..then bring it to clean shutdown mode.....

    If not done, then go for hard recovery.......

    Expert Comment

    when databases corrupt it's need log files for repair and you deleted log files if you have full backup you can recover it .
    LVL 4

    Expert Comment

    by:Satish Auti
    Log files should not be deleted - When an Exchange backup is taken then the log files will be cleared. If you have lots of log files it indicates that your Exchange Server is not being backed up

    Is it possible some of the Exx.log files were deleted accidentally ?

    Do you have a recent backup or shadow copy enabled ?

    Next steps

    Step2 is where you need to move the logs

    LVL 17

    Accepted Solution

    your only option at this point is to either

    1. Execute an ESEUTIL /P to get into a mountable state and then once mounted I would suggest that you create a new DB and move all users into that new DB since once a DB is repaired it is never the same.  NOTE: the /p will repair the DB by removing incomplete or damaged pages from the DB so you will experience SOME data loss, however assuming that the only issue is that the log files are missing the loss should be negligible.

    2. Other option is to restore from latest backup, however depending on when the backup was I think this will cause more data loss than desired.

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