Search Services Query Index Failure

Microsoft.SharePoint.Server.2010.SPService.ServerSearch.Query.SearchIndexerCorruptIndexComponent (UnitMonitor)

A critical state of this Monitor indicates that a corruption was detected with the Query Index.

Knowledge Base article:

Summary

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Causes

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Element properties:

TargetMicrosoft.SharePoint.Server.2010.SPService.ServerSearch.Query
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.SingleEventLogManualReset2StateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Search Services: Query Index Failure

A critical incident has occurred where an issue was detected in the index associated with the Query Component {2}.

Event ID: {0}
Event Description: {1}
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SharePoint.Server.2010.SPService.ServerSearch.Query.SearchIndexerCorruptIndexComponent" Accessibility="Public" Enabled="true" Target="Microsoft.SharePoint.Server.2010.SPService.ServerSearch.Query" ParentMonitorID="Health!System.Health.AvailabilityState" Priority="High" TypeID="Windows!Microsoft.Windows.SingleEventLogManualReset2StateMonitorType">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.SharePoint.Server.2010.SPService.ServerSearch.Query.SearchIndexerCorruptIndexComponent_AlertMessageResourceID">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>High</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/EventDisplayNumber$</AlertParameter1>
<AlertParameter2>$Data/Context/EventDescription$</AlertParameter2>
<AlertParameter3>$Data/Context/Params/Param[1]$</AlertParameter3>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="ManualResetEventRaised" MonitorTypeStateID="ManualResetEventRaised" HealthState="Success"/>
<OperationalState ID="EventRaised" MonitorTypeStateID="EventRaised" HealthState="Error"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>Application</LogName>
<Expression>
<And>
<Expression>
<RegExExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>MatchesRegularExpression</Operator>
<Pattern>^(74|93)$</Pattern>
</RegExExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">Microsoft-SharePoint Products-SharePoint Server Search</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</Configuration>
</UnitMonitor>