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Exchange 2007 Mailbox Database

Yesterday, while I was out of the office, I receive multiple emails from my users stating their contacts disappeared.  I have looked through everything I can find and cannot figure out why they disappeared.  This did not happened to everyone, about 1/2 of the staff experienced loss.
After beating my head against the desk, I finally decided to restore the contacts from a backup.  Unfortunately, the only backups I have are database level.  I managed to get the database and save it to the exchange server's hard drive.  I have now opened the New Mailbox Database wizard and was going to add this database to Exchange so I could pull the contacts.
My question is, if I attach this new database to the existing storage group (1st storage group) will it replace the existing database or will just add to the data and the contacts begin to repopulate?
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Senior Solution Architect
Most Valuable Expert 2015
Top Expert 2015
Basically what you need to do is create a Recovery Storage Group. You then specify what database you are restoring from backup and ensuring all of the parameters are correct. This then restore the database to a Recovery Storage Group which is not accessible directly from the Exchange Management Console.

Take a look at the link below for complete steps to recover a database to a Recovery Storage Group.


Another thing I would suggest is using Exchange Recovery from Kernel Data Recovery.




Thanks!  This worked perfectly!