Here is the step that i took to upgrade DPM 2010 to DPM 2012 in my lab environment.
Before we start make sure that you have perform a DPM database backup.You can backup the database using below method:
a) Backup DPM DB to Tape or
b) Backup DPM DB to DR DPM Server or
c) Lastly, manual backup by execute command
| dpmbackup.exe –db |
Just open DPM Management Shell, to execute the above command. The database will backup to the following folder:- %program files%\Microsoft Data Protection manager\DPM\Volumes\ShadowCopy\Database Backups
d) Then on the DPM 2010, patch the server with the hotfix KB2615782 from http://support.microsoft.com/kb/2615782 . Once apply the hotfix, upgrade the dpm protection agent.
e) After an agent upgrade is complete, put DPM 2012 CD Media and perform in-place upgrade. Installation is straight forward and hassle free.
f) Lastly, upgrade the entire dpm protection agent to complete the DPM 2012 upgrade.
