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Computer Availability Health Rollup

Microsoft.SystemCenter.ComputerGroup.AvailabilityRollup (DependencyMonitor)

This monitor rolls up the availability health of all computers contained in this computer group

Knowledge Base article:

Summary

This monitor rolls up the availability health of all computers in this group. If the state is unknown, either the computer group is empty or there are no monitors currently monitoring availability for any of the computers in the group.

Causes

An unhealthy state for this monitor indicates an unhealthy state for some monitor running against a computer or an object contained by a computer in this group.

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:

TargetMicrosoft.SystemCenter.ComputerGroup
Parent MonitorSystem.Health.AvailabilityState
AlgorithmWorstOf
Source MonitorSystem.Health.AvailabilityState
RelationshipMicrosoft.SystemCenter.ComputerGroupContainsComputer
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveFalse
RemotableTrue
AccessibilityPublic

Source Code:

<DependencyMonitor ID="Microsoft.SystemCenter.ComputerGroup.AvailabilityRollup" Accessibility="Public" Enabled="true" Target="Microsoft.SystemCenter.ComputerGroup" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" RelationshipType="Microsoft.SystemCenter.ComputerGroupContainsComputer" MemberMonitor="Health!System.Health.AvailabilityState">

  <Category>AvailabilityHealth</Category>

  <Algorithm>WorstOf</Algorithm>

  <MemberUnAvailable>Error</MemberUnAvailable>

</DependencyMonitor>