Skype for Business Server Conferencing Announcement SIP proxy connectivity

Microsoft.LS.2015.Monitoring.UnitMonitor.PairedEvent.CAS.CAS_E_CONNECTION_FAILURE_ALARM (UnitMonitor)

Knowledge Base article:

Summary

Conferencing Announcement Service lost connection with the Skype for Business Server 2015 Front End.

Causes

This issue may occur due to network connectivity, DNS lookup failure, TCP failure or issues on the remote server.

Resolutions

Resolve network connectivity issues between Conferencing Announcement Service and the Skype for Business Server 2015 Front End.

Element properties:

Target

Microsoft.LS.2015.Component.CAS

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

Error

Alert Priority

Normal

Alert Auto Resolve

True

Monitor Type

Microsoft.LS.2015.MonitorType.PairedEvent.Simple

Remotable

True

Accessibility

Public

Alert Message

[Skype] Conferencing Announcement Service lost connection with the Skype for Business Server 2015 Front End.

{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.2015.Monitoring.UnitMonitor.PairedEvent.CAS.CAS_E_CONNECTION_FAILURE_ALARM" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2015.Component.CAS" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2015.MonitorType.PairedEvent.Simple" ConfirmDelivery="true">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Alert_Conferencing_Announcement_Service_lost_connection_with_the_Skype_for_Business_Server_2015_Front_End.">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

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

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Microsoft.LS.2015.Monitoring.UnitMonitor.PairedEvent.CAS.CAS_E_CONNECTION_FAILURE_ALARM.Success" MonitorTypeStateID="SuccessEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2015.Monitoring.UnitMonitor.PairedEvent.CAS.CAS_E_CONNECTION_FAILURE_ALARM.Error" MonitorTypeStateID="ErrorEventRaised" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

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

    <LogName>Lync Server</LogName>

    <SuccessExpression>

      <Or>

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">33123</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">LS Conferencing Announcement Service</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

        <Expression>

          <And>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="UnsignedInteger">33102</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

            <Expression>

              <SimpleExpression>

                <ValueExpression>

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

                </ValueExpression>

                <Operator>Equal</Operator>

                <ValueExpression>

                  <Value Type="String">LS Conferencing Announcement Service</Value>

                </ValueExpression>

              </SimpleExpression>

            </Expression>

          </And>

        </Expression>

      </Or>

    </SuccessExpression>

    <ErrorExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">33112</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS Conferencing Announcement Service</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

  </Configuration>

</UnitMonitor>