Hi,
According to your description, I understand that you want to know how to restore mailbox from archive database.
If I misunderstand your concern, please do not hesitate to let me know.
We can deploy In-Place Archiving in Exchange 2013, more details about it please refer to:
https://technet.microsoft.com/en-us/library/dd979800(v=exchg.150).aspx
Doing this way, we can restore data using a recovery database. A recovery database (RDB) is a special kind of mailbox database that allows you to mount and extract data from a restored mailbox database as part of a recovery operation. RDBs allow you to recover
data from a backup or copy of a database without disrupting user access to current data. Details for your reference:
https://technet.microsoft.com/en-us/library/ee332351(v=exchg.150).aspx
Best Regards,
Allen Wang
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Edited by
Allen_WangJF
Friday, February 13, 2015 9:34 AM