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Pull Sync cycle detected an issue preventing data processing from making progress.

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

Knowledge Base article:

Summary

Pull Sync cycle detected an issue preventing data processing from making progress.

Causes

Possible issues with the pulled data causing it to not be updated in the local db properly.

Resolutions

Check Sync Agent logs and resolve any issues with any documents not being applied properly.

Element properties:

TargetMicrosoft.LS.2019.Component.Registrar
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] Pull Sync cycle detected an issue preventing data processing from making progress.
{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.Registrar.EVENT_RTCDBSYNCAGENT_INFINITE_LOOP_DETECTED" 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_Pull_Sync_cycle_detected_an_issue_preventing_data_processing_from_making_progress.">

    <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.EVENT_RTCDBSYNCAGENT_INFINITE_LOOP_DETECTED.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.Registrar.EVENT_RTCDBSYNCAGENT_INFINITE_LOOP_DETECTED.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">57008</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">LS Database Sync Agent</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </ErrorExpression>

    <AutoResolveInterval>600</AutoResolveInterval>

    <TimerWindowInSeconds>600</TimerWindowInSeconds>

    <RepeatCount>4</RepeatCount>

  </Configuration>

</UnitMonitor>