How can i merge a copy of Exchange 2003 databases

Posted on 2004-11-06
Last Modified: 2012-05-05
I have just re-installed a win2k3 SBS with the same credentials as the original server. I took a copy of the exch database folder. How do i merge the database with the new database. Can i just overwite it? i have the log files? i only have 11 hrs left - thanks anyone
Question by:VBOSS
    LVL 8

    Expert Comment

    Keeping a backup of your files, you might be able to just slot the files in, but you will need to have exactly the same names/SIDs, etc on your server.  

    The way I'd normally accomplish this is to install the new exchange server on a different box and then move the mailboxes from 'server old'-->'server new' and then take 'server old'.  If server hardware is a limitation, I would temporarily use a PC as 'sever new' and then repeat the process once more recycling 'server old' back into the architecture after it's been reinstalled as 'server newest'

    Finally, if you exported all users mailboxes to .pst files before doing the reinstall, you could then just have users keep them as archives and start over with empty boxes.  A little cleaning out of the box never hurt server performance.

    If you just backed up the files and then wiped the whole machine, you might have some trouble to restore the DB...

    Author Comment

    Thanks. Unfortunately i slightly rushed into it. i exported 90% to pst files but the network contains macs using mac mail. I couldn't see an export facility. So i was hoping that somehow i could extract those mailboxes. What does exmrege do? (or something like that).
    LVL 8

    Accepted Solution

    It lets you export exchange mailboxes into PST files and to import PST files into exchange mailboxes.  So, if you did export the PSTs, you can use EXMERGE to put the files back into peoples' mailboxes.  If you don't have your original exchange server now, it can't help you much.

    But why not just create a private share on a file server for each user and put their PST as an archive there so that you don't load down your exchange server with all the stuff people pack rat in their mailboxes?

    Those Mac users might be s.o.l...

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