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Exchange 2010: Restoring database/mailboxes to users disabled in EMC after DB has been removed.

We have an Exchange 2010 SP1 environment running on Windows Server 2008 (AD domain level is 2003). Exchange databases are backed up by Symantec Backup Exec 2010 R2.

Recently, a small handful of staff accounts were disabled via the Exchange Management Console. Their mailbox database was then dismounted and removed and the database files (EDB and logs) moved to separate storage. There is a recent full backup of that database done with Symantec Backup Exec. While I understand the procedures for reconnecting a disabled mailbox to an account, I'm not really sure about AD accounts who've had their Exchange mailbox and attributes removed AND their database removed as well. I've looked for this info across the web and on the Symantec support pages but none of the recovery/restore techniques seem to match my particular scenario.
I'm thinking that I may have to create a new DB for these users, then re-enable their accounts for Exchange (create new mailboxes for them basically) and then restore their original database to a recovery database and then extract the mailboxes from there (the backups are GRT enabled) to their new mailboxes on the new database. Does that sound right? Anyone know of a better method to do this? Thanks

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8/22/2022 - Mon

OK, it appears we DON'T have a backup of that database. We do, however, have a stored copy of all the log files and the EDB on a different drive. Is it possible to use these in conjunction with an Exchange recovery database to extract the data?

Alternately, the users were only recently moved from another DB into the one that got removed. We do have backups of those databases (prior to the users being moved). Is it possible to  create new mailboxes for these users, recover data from those backups and redirect the data to an intermediate mailbox and then move the messages from there to the users new mailboxes?

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