Screw you M$! I followed your guidelines and instructions, I checked the permissions myself, I used Bing, just to give a fucking damn reporting user db_owner rights in the end to get it working at all.
>An error has occurred during report processing. (rsProcessingAborted) >Query execution failed for dataset 'DataSet1'. (rsErrorExecutingCommand) >The EXECUTE permission was denied on the object 'ufn_MM_GetPgLabels', database 'DPMDB_DKODPM01', schema 'dbo'.
I solved it by adding the local "DPMR$Servername" account to the local security Group "DPMDBAdministrators$Servername".
Is this part of your NSA contract? Hope you rot in security hell!