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Performance collection for : PERF_DATACOLLECTION_UDC_MESSAGE_DROPPED

Microsoft.LS.2013.Monitoring.Rule.ReportingPC.Registrar.PERF_DATACOLLECTION_UDC_MESSAGE_DROPPED (Rule)

Knowledge Base article:

Summary

This rule collects this performance counter for reporting/troubleshooting purposes for the counter: PERF_DATACOLLECTION_UDC_MESSAGE_DROPPED

The total number of messages dropped due to server overload, internal errors or Storage Service connectivity issues.

Causes

Too many requests, or Storage Service is not running properly.

Resolutions

Check whether the Lync Server Front-End is overloaded, and ensure local Storage Service database is not full.

Element properties:

TargetMicrosoft.LS.2013.Component.Registrar
CategoryPerformanceCollection
EnabledTrue
Instance NameLS:DATACOLLECTION - Agent
Counter NameUDC - Number of Messages Dropped
Frequency900
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
CollectPerfCounter DataSource System.Performance.OptimizedDataProvider Default
WriteToDB WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.LS.2013.Monitoring.Rule.ReportingPC.Registrar.PERF_DATACOLLECTION_UDC_MESSAGE_DROPPED" Enabled="true" Target="Microsoft.LS.2013.Component.Registrar" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="CollectPerfCounter" TypeID="SystemPerf!System.Performance.OptimizedDataProvider">

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

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

      <ObjectName>LS:DATACOLLECTION - Agent</ObjectName>

      <InstanceName/>

      <AllInstances>true</AllInstances>

      <Frequency>900</Frequency>

      <Tolerance>5</Tolerance>

      <ToleranceType>Absolute</ToleranceType>

      <MaximumSampleSeparation>4</MaximumSampleSeparation>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>

  </WriteActions>

</Rule>