When an Information alarm is raised
The guest operating system is not installed or has not yet been contacted. The virtual machine is starting up, stopping, stopped, dormant or relocating.
When a Low severity alarm is raised
The heartbeat is degraded or the virtual machine is receiving maintenance.
When a Medium severity alarm is raised
The heartbeat is stressed or the virtual machine may have stopped responding.
When a High severity alarm is raised
The heartbeat has failed, is predicting failure or an error has been reported.