Education Services: Failed to communicate with Lync service

Microsoft.SharePoint.2013.SPServiceInstance.Education.LyncServiceCommunicationFailed (UnitMonitor)

A critical state of this monitor indicates communication with the Lync service has failed because the service is busy, unavailable, or cannot be reached.

Knowledge Base article:

Summary

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http://go.microsoft.com/fwlink/?LinkId=245553

Causes

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Element properties:

Target

Microsoft.SharePoint.2013.SPServiceInstance.Education

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

High

Alert Auto Resolve

True

Monitor Type

Microsoft.SharePoint.RepeatedEventLogTimer2StateMonitorType

Remotable

True

Accessibility

Public

Alert Message

Education Services: Failed to communicate with Lync service

This alert indicates communicating with Lync Service as part of a Virtual Classroom request failed because it is either busy, not available or cannot be reached

There are 2 potential causes:
1) Autodiscovery cannot resolve the Lync Service address
2) The Lync Service service is not running or it is not accepting requests
3) The Lync Service cannot keep up with request load and starts dropping requests

Issue impact: Loss of VC functionality for end-users

Event ID: {0}
Event Message: {1}

RunAs

Default

Source Code:

<UnitMonitor ID="Microsoft.SharePoint.2013.SPServiceInstance.Education.LyncServiceCommunicationFailed" Accessibility="Public" Enabled="onEssentialMonitoring" Target="MOSS15Core!Microsoft.SharePoint.2013.SPServiceInstance.Education" ParentMonitorID="Health!System.Health.AvailabilityState" Priority="High" TypeID="WSS!Microsoft.SharePoint.RepeatedEventLogTimer2StateMonitorType">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SharePoint.2013.SPServiceInstance.Education.LyncServiceCommunicationFailed_AlertMessageResourceID">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>High</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

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

      <AlertParameter2>$Data/Context/Context/DataItem/EventDescription$</AlertParameter2>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

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

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

  </OperationalStates>

  <Configuration>

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

    <RepeatedLogName>Application</RepeatedLogName>

    <RepeatedExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">6338</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">Microsoft-SharePoint Products-Education</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </RepeatedExpression>

    <Interval>3600</Interval>

    <Count>30</Count>

    <TimerWaitInSeconds>86400</TimerWaitInSeconds>

  </Configuration>

</UnitMonitor>