Exchange Emergency

We have an exchange 2003 server.  Have two mailstores.  Mailstore 1 - old store with everyone and Mailstore 2 - new that we are migrating folks over to.  Problem:  mailstore 1 is now gone.  No recovery/no backup.  Exchange server has been unstable and we have been moving folks to new mailstore.  All my clients are outlook 2010 cached exchange mode.  I have their .ost files and can convert to .pst.  Problem after logging back in Outlook askes them to use a temporary location for mail (obiviously no mailbox) so we do.  We have imported the cached psts into the new account.  We then went to users and exchange tasks and moved the users mailbox to store 2.  Everything seems to be worKing BUT the new mailstore  doesnt show the mailbox with the alias.  What is the best way to rebuild the mailboxes with the .ost file.  Otherwise years of email are gone.

Any help would be appreciated.
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Alan HardistyCo-OwnerCommented:
To get yourself up and running again, you need to use the Dialtone Restore method, which will create a new blank database for your users and then can then open Outlook, choose work offline, export their mail to .PST files, then close Outlook.  Once closed properly, re-open Outlook and choose Connect, then import the mail to the new dialtone database and that will re-populate the empty database with their mail.

Once everyone is 100% synced, you can then move them to another database if you want to.

For further guidance, please have a read of the following info:

patriotspointAuthor Commented:
Thank you very much.  Quick question regarding this method.  The database isnt populating them.  We dont see any mailboxes being formed.
patriotspointAuthor Commented:
The article point to restoring a backup to the recovery storage group.  We dont have a backup at all.  Should I just create a blank recovery database?
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Alan HardistyCo-OwnerCommented:
Couple of Quick Q's before moving forward - How many Exchange Servers do you have?  Are both Mailstores on the same server or separate servers?
patriotspointAuthor Commented:
same server only one.  We have been building data center and prepping for migration to 2010 then to 2013 with high-availability, etc.

Both mail stores are on same server.  Just a split
patriotspointAuthor Commented:
I have one 2003 outlook client with a new mailbox but the imported pst emails arent syncing with new mailbox
Alan HardistyCo-OwnerCommented:
Did you import the .PST file?

How many clients have you re-opened Outlook in Online mode with since using the Dial Tone method?  Do those mailboxes not appear in the server?

If they don't, can you send a message to them from the working client and then check the server again as they may well appear after a message has been received for them.


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patriotspointAuthor Commented:
Alan, thanks for your help.  Everything is populating over in the new mailstore.  We are recovering clients old data now.  New emails, etc are functioning.

There is something to be said for quotas, 6000+ deleted messages in many users mailboxes.  Really.  some folks are just pack rats.  This is an old system that was here before me and we have been slowly migrating with the instability of the server.

Again, many thanks.
Alan HardistyCo-OwnerCommented:
Excellent news - well done.

Yep - quotas are always your best friend :)

Hope the server makes it through to the end and don't forget, Exchange 2003 is not supported anymore, so moving away from it would be a sensible move to make sooner rather than later.

Best wishes

Alan HardistyCo-OwnerCommented:
Don't forget to close down your question by accepting the comments or comments that helped you solve the problem.

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