KHI: The Microsoft Exchange Search Indexer service (MSExchangeSearch) is not running.

_f517984d_9ae2_4849_bb08_69d54c55acf3_ (UnitMonitor)

Knowledge Base article:

External Knowledge Sources

For more information, see the respective topic at the Microsoft Exchange Server TechCenter

Element properties:

TargetMicrosoft.Exchange.2010.Mailbox.ContentIndexingService
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeCorrelation.StatefulServiceEventMonitorType
RemotableTrue
AccessibilityPublic
RunAsDefault
CommentActionable='False';Urgent='False';EscalationTeam='Content Indexing'

Source Code:

<UnitMonitor ID="_f517984d_9ae2_4849_bb08_69d54c55acf3_" Target="Microsoft.Exchange.2010.Mailbox.ContentIndexingService" Enabled="onEssentialMonitoring" Accessibility="Public" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" TypeID="Correlation.StatefulServiceEventMonitorType" Comment="Actionable='False';Urgent='False';EscalationTeam='Content Indexing'">
<Category>AvailabilityHealth</Category>
<OperationalStates>
<OperationalState ID="HMServiceEventMonitorNotRunningOpState_DC569681_955C_44A0_9715_466E2F175F95" MonitorTypeStateID="NotRunning" HealthState="Error"/>
<OperationalState ID="HMServiceEventMonitorRunningOpState_6EB1E154_412C_4066_9638_C3C8DF9DE431" MonitorTypeStateID="Running" HealthState="Success"/>
</OperationalStates>
<Configuration>
<MonitorType>KHI</MonitorType>
<ComputerName>.</ComputerName>
<ServiceName>MSExchangeSearch</ServiceName>
</Configuration>
</UnitMonitor>