Hi,
You will need the full retail installation media along with the product key. Since you already have a rollup installed, you will need to make a backup of the DPMDB (dpmbackup -db) - un-install DPM and retain replica, re-install DPM using retail media,
apply same UR3 update, then restore the DPM Database so you maintain your configuration settings and recovery points.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
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