SQL server agent log reports:  The mail system failed to initialize; check configuration settings and
107: Report Server Windows Service (MSSQLSERVER) cannot connect to the report server database. And 8194: the client-side extension could not remove computer policy setting for ' ' because it failed with error code '0x8007000d The data is invalid.' See trace file for more details. This is a production server and cannot be rebooted during working hours.