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Extracting Exchange store from NTBACKUP bkf

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  • Extracting Exchange store from NTBACKUP bkf

    We just had a LUN meltdown Monday night that took our Exchange database with it. I wasn't the genius who set it up like that, but that's beside the point. After much wrestling, I have managed to reinstall Exchange and it is working, but I have not been able to get OWA working yet. Outlook clients work fine...in fact, my people (important employees) running Outlook where I cache their mailbox lost nothing. My OWA people currently are SOL.

    But anyway, back to my question...I have a fairly recent Exchange IS backup made with NTBackup from a few weeks ago (should be good enough). I know I can restore my entire database with ntbackup, but what I really need is just that edb file so that I can strip out the mailboxes with a utility I have. Anybody know of a way to do this? I tried a utility called BKFRecovery, but it whined about an Exchange database inside and wouldn't proceed. NTBackup gives me only an all or nothing restore. My restored cached mailboxes have a lot of newer data than my backup, so ntbackup isn't going to fly here.

  • #2
    Re: Extracting Exchange store from NTBACKUP bkf

    Backup of Exchange doesn't work like that. There isn't a file there for you to restore.
    You will have to restore to an Exchange server and do an Exchange restore. You haven't said which version of Exchange this is, but if it is Exchange 2003 then use a Recovery Storage Group to restore.

    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: Extracting Exchange store from NTBACKUP bkf

      Thanks for the quick reply. This is what I was afraid of. Before I attempt it, is it possible to create an additional storage group and restore to a specific storage group? Otherwise, at this point, I'm seriously considering installing Win2K3 on another box, loading Exchange and "restoring" from this backup...just so I can grab the edb and stm file.

      In the past, I've managed to harvest mailboxes from unmountable stores using just the edb and stm file...currently, this approach seems like the only way I'm going to get back those mailboxes w/o jacking up my clean Exchange installation, which I just barely got up and fully running.

      Is there another approach that I'm unaware of? I just don't want to screw up the recovery process or my mailboxes that are fully up to date by doing a total restore.

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      • #4
        Re: Extracting Exchange store from NTBACKUP bkf

        That is what the RSG is - it is a separate Storage Group that you restore the databases to then extract what you need.

        http://hellomate.typepad.com/exchang...covery_st.html

        http://support.microsoft.com/default.aspx?kbid=824126

        Recovering data without exmerge
        http://www.microsoft.com/technet/pro.../2003/RMD.mspx

        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.

        Comment


        • #5
          Re: Extracting Exchange store from NTBACKUP bkf

          Thank you for pointing me in this direction. This was exactly what I needed. Restoring with the Recovery Group had me worried until it actually completed. It wouldn't allow me to mount my restored store...but it gave me access to the edb and stm files. I set a box to strip out my ~60 remaining mailboxes into PSTs. I should be able to take it from here. Thanks!

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