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SharePoint Web Application Invalid Application Pool Account

Microsoft.SharePoint.2013.SPHostInstance.InvalidAppPoolAccountForKerberos (UnitMonitor)

A critical state of this Monitor indicates that the IIS Application Pool account is not registered in Active Directory as a Service Principal Name in the Web Application Domain.

Knowledge Base article:

Summary

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http://go.microsoft.com/fwlink/?LinkId=245048

Causes

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Element properties:

TargetMicrosoft.SharePoint.2013.SPWebApplication.SPHostInstance
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.SingleEventLogManualReset2StateMonitorType
RemotableTrue
AccessibilityPublic
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SharePoint.2013.SPHostInstance.InvalidAppPoolAccountForKerberos" Accessibility="Public" Enabled="onEssentialMonitoring" Target="WSS15Core!Microsoft.SharePoint.2013.SPWebApplication.SPHostInstance" ParentMonitorID="Health!System.Health.AvailabilityState" Priority="Normal" TypeID="Windows!Microsoft.Windows.SingleEventLogManualReset2StateMonitorType">

  <Category>AvailabilityHealth</Category>

  <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>Microsoft-SharePoint Products-Shared/Operational</LogName>

    <Expression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">6590</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Microsoft-SharePoint Products-SharePoint Foundation</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </Expression>

  </Configuration>

</UnitMonitor>