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Microsoft.LS.2013.Monitoring.UnitMonitor.ThresholdPC.Lyss.PERF_DATACOLLECTION_EXCHARCH_SESSION_DROPPED (UnitMonitor)

Knowledge Base article:

Summary

Number of Exchange Archiving sessions dropped due to continuing failures.

Causes

Exchange connectivity and storage issues were not resolved within 24 hours and the Data Collection Agent is not running in critical archiving mode.

Resolutions

Verify that the user's mailbox and Exchange dumpster are not full, and that OAuth2 for Exchange Server and Lync Server is configured correctly.

Element properties:

TargetMicrosoft.LS.2013.Component.Lyss
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.LS.2013.Performance.Double.ConsecutiveThresholdMonitor
RemotableTrue
AccessibilityPublic
Alert Message
[LYNC] Number of Exchange Archiving sessions dropped due to continuing failures.
Perf Object Name:
Perf Counter Name: UDC - Number of Dropped Sessions
Perf Counter Value: {0}
Error Threshold: 5
Warning Threshold: 1
Consecutive Samples Repeat Count: 2

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.ThresholdPC.Lyss.PERF_DATACOLLECTION_EXCHARCH_SESSION_DROPPED" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2013.Component.Lyss" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2013.Performance.Double.ConsecutiveThresholdMonitor" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Alert_Number_of_Exchange_Archiving_sessions_dropped_due_to_continuing_failures.">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Data/Context/SampleValue$</AlertParameter1>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.ThresholdPC.Lyss.PERF_DATACOLLECTION_EXCHARCH_SESSION_DROPPED_OverThreshold" MonitorTypeStateID="OverThreshold" HealthState="Error"/>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.ThresholdPC.Lyss.PERF_DATACOLLECTION_EXCHARCH_SESSION_DROPPED_UnderThreshold" MonitorTypeStateID="UnderThreshold" HealthState="Success"/>

    <OperationalState ID="Microsoft.LS.2013.Monitoring.UnitMonitor.ThresholdPC.Lyss.PERF_DATACOLLECTION_EXCHARCH_SESSION_DROPPED_UnderThresholdOverThreshold" MonitorTypeStateID="UnderThresholdOverThreshold" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

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

    <CounterName>UDC - Number of Dropped Sessions</CounterName>

    <ObjectName>LS:DATACOLLECTION - Exchange Archiving Adaptor</ObjectName>

    <InstanceName/>

    <AllInstances>false</AllInstances>

    <Frequency>900</Frequency>

    <WarningThreshold>1</WarningThreshold>

    <ErrorThreshold>5</ErrorThreshold>

    <NumSamples>2</NumSamples>

  </Configuration>

</UnitMonitor>