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KHI: The Outlook Web App proxy or redirection failed because one of the service discovery entries isn't valid.

_0723763E_2A8B_4204_9B84_0864D8BB307A_ (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.ClientAccessOutlookWebAccess
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeCorrelation.StatefulWindowsEventTimerMonitorType
RemotableTrue
AccessibilityPublic
RunAsDefault
CommentActionable='False';Urgent='True';EscalationTeam='OWA'

Source Code:

<UnitMonitor ID="_0723763E_2A8B_4204_9B84_0864D8BB307A_" Enabled="onEssentialMonitoring" Target="Microsoft.Exchange.2010.ClientAccessOutlookWebAccess" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Accessibility="Public" TypeID="Correlation.StatefulWindowsEventTimerMonitorType" Comment="Actionable='False';Urgent='True';EscalationTeam='OWA'">

  <Category>AvailabilityHealth</Category>

  <OperationalStates>

    <OperationalState ID="Success" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

    <OperationalState ID="Error" MonitorTypeStateID="EventRaised" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <MonitorType>KHI</MonitorType>

    <VoteWeight>20</VoteWeight>

    <ComputerName>.</ComputerName>

    <LogName>Application</LogName>

    <Expression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">38</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">MSExchange OWA</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </Expression>

    <TimerWaitInSeconds>86400</TimerWaitInSeconds>

  </Configuration>

</UnitMonitor>