Overall Essential Services state

Microsoft.Windows.Server.2008.AD.EssentialService.Rollup (DependencyMonitor)

Element properties:

TargetMicrosoft.Windows.Server.2008.AD.DomainControllerRole
Parent MonitorSystem.Health.AvailabilityState
AlgorithmWorstOf
Source MonitorSystem.Health.AvailabilityState
RelationshipMicrosoft.Windows.Server.2008.AD.DomainControllerRoleHostsEssentialService
CategoryCustom
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
Alert Auto ResolveTrue
RemotableFalse
AccessibilityPublic
Alert Message
Overall Essential Services state
One or more services required for Active Directory to function correctly has entered an unhealthy state. Review the essential services and alerts for additional information.

Source Code:

<DependencyMonitor ID="Microsoft.Windows.Server.2008.AD.EssentialService.Rollup" Accessibility="Public" Enabled="true" Target="AD2008Core!Microsoft.Windows.Server.2008.AD.DomainControllerRole" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="false" Priority="Normal" RelationshipType="AD2008Core!Microsoft.Windows.Server.2008.AD.DomainControllerRoleHostsEssentialService" MemberMonitor="SystemHealth!System.Health.AvailabilityState">
<Category>Custom</Category>
<AlertSettings AlertMessage="Microsoft.Windows.Server.2008.AD.EssentialService.Rollup_AlertMessageResourceID">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>High</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
</AlertSettings>
<Algorithm>WorstOf</Algorithm>
<MemberUnAvailable>Error</MemberUnAvailable>
</DependencyMonitor>