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DPM 2010 backing up Exchange 2010 DAG

Last Modified: 2012-08-14

I have setup Exchange 2010 to co-exist with our Exchange 2003 environment.

Currently waiting for our backup vendor to fully support 2010.

So in the meantime i have been trailing DPM 2010.

I have been testing this with one database and it seems to backup fine and can do restores.

I have 3 copies of this database over 3 servers and have selected a full backup for all 3, a retention range of 1day with sync of every 2hours.

The only thing is i expect to find only 1-2days worth of logs kept however i seem to always have around 7-8days worth.

The exchange 2010 environment consists of 3x MBX servers (2010 SP1 RU3) and 2x CAS/HUB servers (2010 SP1 RU3). No lagged copies.

Run the test-replicationhealth and mailboxdatabasecopystaus on all 3 servers and they come back fine no copy or replay queue lengths.

The DPM 2010 is running on Server 2008 R2 Standard 64bit.

I found somewhere that someone else had something similar and spent a lot of time on the phone with M$ and put it down to a problem with the Exchange Search service.

I have restarted a number of services but it doesn't seem to help.

Just wondering if anyone else has come across this, only we may have to use this product if our vendor cant put out a DAG aware version.

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