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Throttling for connections with Web Conferencing Server

Microsoft.LS.2013.Monitoring.UnitMonitor.TimerResetEvent.Reach.WEBRELAY_DC_SERVER_CONN_CLOSED_THROTTLING (UnitMonitor)

Knowledge Base article:

Summary

MTLS connection with Web Conferencing Server closed due to throttling.

Causes

Connection was closed due to byte queue throttling.

Resolutions

Check network connectivity for Web Conferencing Server.

Element properties:

TargetMicrosoft.LS.2013.Component.Reach
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.LS.2013.MonitorType.TimerResetEvent.Repeated
RemotableTrue
AccessibilityPublic
Alert Message
[LYNC] MTLS connection with Web Conferencing Server closed due to throttling.
{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.2013.Monitoring.UnitMonitor.TimerResetEvent.Reach.WEBRELAY_DC_SERVER_CONN_CLOSED_THROTTLING" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2013.Component.Reach" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2013.MonitorType.TimerResetEvent.Repeated" ConfirmDelivery="true">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Alert_MTLS_connection_with_Web_Conferencing_Server_closed_due_to_throttling.">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

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

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.TimerResetEvent.Reach.WEBRELAY_DC_SERVER_CONN_CLOSED_THROTTLING.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.TimerResetEvent.Reach.WEBRELAY_DC_SERVER_CONN_CLOSED_THROTTLING.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">59063</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS Lync Web App</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

    <AutoResolveInterval>300</AutoResolveInterval>

    <TimerWindowInSeconds>120</TimerWindowInSeconds>

    <RepeatCount>4</RepeatCount>

  </Configuration>

</UnitMonitor>