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Certificate Provisioning: Server did not respond to http request

Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CAHandler.NO_UPRP_RESPONSE (UnitMonitor)

Knowledge Base article:

Summary

A server did not respond to HTTP request

Causes

Server might be down or the network path between servers might not be properly configured.

Resolutions

Please ensure that the server can be connected on the target port using telnet and then re-try.

Element properties:

TargetMicrosoft.LS.2019.Component.CAHandler
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
Alert Auto ResolveTrue
Monitor TypeMicrosoft.LS.2019.MonitorType.TimerResetEvent.Repeated
RemotableTrue
AccessibilityPublic
Alert Message
[Skype] A server did not respond to HTTP request
{0}

Please see the 'Product Knowledge' and the 'Alert Context' tab on Alert Properties view for more information.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CAHandler.NO_UPRP_RESPONSE" Accessibility="Public" Enabled="true" Target="SFBDiscovery!Microsoft.LS.2019.Component.CAHandler" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2019.MonitorType.TimerResetEvent.Repeated" ConfirmDelivery="true">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Alert_A_server_did_not_respond_to_HTTP_request">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>High</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/Context/DataItem/EventDescription$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CAHandler.NO_UPRP_RESPONSE.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CAHandler.NO_UPRP_RESPONSE.Repeated" MonitorTypeStateID="RepeatedEventRaised" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <ComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

    <LogName>Lync Server</LogName>

    <ErrorExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">47067</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS UserPin Service</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

    <AutoResolveInterval>3600</AutoResolveInterval>

    <TimerWindowInSeconds>3600</TimerWindowInSeconds>

    <RepeatCount>20</RepeatCount>

  </Configuration>

</UnitMonitor>