User Services: HTTP Synchronous I/O Health

Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.Registrar.ES_E_HTTP_MESSAGE_SEND_SYNC_TIMEDOUT (UnitMonitor)

Knowledge Base article:

Summary

Sending HTTP request timed out. Server Functionality will be affected if messages are failing consistently.

Causes

Check the eventlog description.

Resolutions

This can happen if the destination server above is overloaded and cannot process messages.

Element properties:

Target

Microsoft.LS.2019.Component.Registrar

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

Error

Alert Priority

High

Alert Auto Resolve

True

Monitor Type

Microsoft.LS.2019.MonitorType.TimerResetEvent.Repeated

Remotable

True

Accessibility

Public

Alert Message

[Skype] Sending HTTP request timed out. Server Functionality will be affected if messages are failing consistently.

{0}

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

RunAs

Default

Source Code:

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

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Alert_Sending_HTTP_request_timed_out._Server_Functionality_will_be_affected_if_messages_are_failing_consistently.">

    <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.Registrar.ES_E_HTTP_MESSAGE_SEND_SYNC_TIMEDOUT.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.Registrar.ES_E_HTTP_MESSAGE_SEND_SYNC_TIMEDOUT.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">30989</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS User Services</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

    <AutoResolveInterval>3600</AutoResolveInterval>

    <TimerWindowInSeconds>3600</TimerWindowInSeconds>

    <RepeatCount>10</RepeatCount>

  </Configuration>

</UnitMonitor>