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  • Exchange Errors

    My database keeps dismounting every night. I get the erorrs below in this order. It looks like a log file, but do I need to check my space usage? How do I do that? The hard drive that holds the database has "physical" room but how do I check logical. It is exchange Server 2007 Standard edition. Thanks so much.


    An error occurred while writing to the database log file of storage group "xxx". Attempting to unmount all databases in this storage group. (event ID 955

    MSExchangeIS (3596) xxx: Online defragmentation of database 'E:\Program Files\Microsoft\Exchange Server\Mailbox\xxx\RSG20090720231135\xxx.edb' terminated prematurely after encountering unexpected error -510. The next time online defragmentation is started on this database, it will resume from the point of interruption. (event ID 705)

    MSExchangeIS (3596) xxx: The logfile sequence in "E:\Program Files\Microsoft\Exchange Server\Mailbox\xxx\" has been halted due to a fatal error. No further updates are possible for the databases that use this logfile sequence. Please correct the problem and restart or restore from backup. (event ID 492)

    MSExchangeIS (3596) xxx: Error -1011 (0xfffffc0d) occurred while opening a newly-created logfile E:\Program Files\Microsoft\Exchange Server\Mailbox\xxx\E02.log. (event ID 41

    An exception occurred and was handled by Exchange ActiveSync. This may have been caused by an outdated or corrupted Exchange ActiveSync device partnership. This can occur if a user tries to modify the same item from multiple computers. If this is the case, Exchange ActiveSync will re-create the partnership with the device. Items will be updated at the next synchronization. (event ID 100

  • #2
    Re: Exchange Errors

    You either have a missing or corrupt log file.
    Usual cause is AV has quarantined it. You will have to go through the procedure to "repair" the database (even though you aren't actually touching it) which will require the removal of the current log files. Once the "repair" is complete, do a backup as soon as possible.

    The repair will require downtime.

    Simon.
    --
    Simon Butler
    Exchange MVP

    Blog: http://blog.sembee.co.uk/
    More Exchange Content: http://exchange.sembee.info/
    Exchange Resources List: http://exbpa.com/
    In the UK? Hire me: http://www.sembee.co.uk/

    Sembee is a registered trademark, used here with permission.

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    • #3
      Re: Exchange Errors

      How can I repair the database? Using the eseutil? What are the commands and steps to get this done? Am I at risk of losing any data? Thanks again. This will save me many headaches if it works.

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      • #4
        Re: Exchange Errors

        Its all documented on Technet and the Microsoft KB.
        No database repair can guarantee that data will not be lost. If you aren't sure, then call Microsoft and get them to do it for you, or call in a consultant.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

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        • #5
          Re: Exchange Errors

          I have one clarification are you able to Mount the database again back after the demount.

          If you are able to mount the database, then take a backup of the database and create a new database and move the mailbox to the new database. But this process will take more time.

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          • #6
            Re: Exchange Errors

            Please find the portal for the datase repair which might give you and idea

            www. msexchange.org/articles_tutorials/exchange-server-2010/management-administration/eseutil-part2

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            • #7
              Re: Exchange Errors

              I can remount it. But if it takes more time should I just repair?

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              • #8
                Re: Exchange Errors

                Do I have to take it off line if I mvoe the database? Will this take care of the problem? Will the clients be disconnected from server?

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                • #9
                  Re: Exchange Errors

                  Ya I also suggest to take back up and go for the repair of the database. But please take backup first, there might me a data loss in the portal what I have given below. Please check with Microsoft for the confirmation of data loss.

                  I can tell u one best plan for not to lose the data. If you have data Protector(backup device)for the backup, In this data protector you can take single user mail box backup(full). what I mean to say that all important users you can take the single user mailbox backup and do the repair.

                  If not any backup having this option you can go for it...
                  Last edited by mohan28k; 9th December 2010, 17:27.

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