Attempting to mount an Exchange 2010 mailbox database throws the error: “Couldn’t mount the database that you specified. Specified database: DatabaseName – Light; Error code: An Active Manager operation failed. Error: The database action failed. Error: Operation failed with message: MapiExceptionTooManyMountedDatabases: Unable to mount database. (hr=0x8004060e, ec=-2147219954)”
Problem You’re attempting to mount a database on your Exchange 2010 server but run into the following errors: Exchange Management Shell command completed:new-mailboxdatabase -Server ‘MBX01’ -Name ‘Contoso Students – Light’ -EdbFilePath ‘E:Exchange ISContoso Students –