An error was encountered when attempting to logon to 'SystemMailbox' on one or more passive database(s) for last '%Duration%'. ...

An error was encountered when attempting to logon to 'SystemMailbox' on one or more passive database(s) for last '%Duration%'. Diagnostic Command: {0}  Command to get all unhealthy Passive Database Availability Monitors: {1}  Last Reported Database: {{Probe.StateAttribute1}}  SystemMailbox Guid: {{Probe.StateAttribute5}}  IsActive: {{Probe.StateAttribute3}}  Latency: {{Probe.StateAttribute6}}  Exception Type: {{Probe.StateAttribute12}}  Diagnostic Context: {{Probe.StateAttribute11}}  Exception: {{Probe.Exception}}