Exchange error – An Active Manager operation failed. Error Operation failed with message: MapiExceptionCallFailed: Unable to mount database. (hr=0x80004005, ec=-515)

Exchange 2010 Repair IT Article – By Bob Pellerin Problem: The server had a “rough night” and needed to be relocated to a new host after a few unexplained hangs. Priliminary tests after the move were positive. Email got in and out from internal and external sources. We noticed that the public database was “unmounted”.…