Availability

System.Health.AvailabilityState (AggregateMonitor)

Roll up monitor that aggregates entity availability health.

Knowledge Base article:

Summary

This monitor is the rollup monitor for all availability monitoring for this object. If the state is unknown, either monitoring has not begun for this object or there are no monitors defined that monitor availability.

Causes

An unhealthy state for this monitor indicates some problem with another monitor running against this object and monitoring availability. View all current alerts from this object using this link:

View Alerts

Resolutions

Use the health explorer to drill down and find the cause of the unhealthy state. Use the knowledge on the specific monitor causing the issue to troubleshoot and fix the problem.

Element properties:

TargetSystem.Entity
Parent MonitorSystem.Health.EntityState
AlgorithmWorstOf
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveFalse
RemotableTrue
AccessibilityPublic

Source Code:

<AggregateMonitor ID="System.Health.AvailabilityState" Accessibility="Public" Target="System!System.Entity" ParentMonitorID="System.Health.EntityState" Enabled="true" Remotable="true" Priority="Normal">
<Category>AvailabilityHealth</Category>
<Algorithm>WorstOf</Algorithm>
</AggregateMonitor>