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1) Backup the DAM Database on Production & the destination Database
2) Stop Digibatch, digimonitor,website + application pools
4) Delete the logfiles for Digibatch, Digimonitor and websites (Optional)
5) Copy the .bak file to the database you want to overwrite.
6) restore the databases
6b) Check the ownership of the databases (dam and dam_jobs). It should be an SA user.
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