Expand Distribution List Response Time

Microsoft.LS.2010.Monitoring.UnitMonitor.ThresholdPC.DLExpansion_PERF_DlxWeb_AverageValidRequestProcessingTime (UnitMonitor)

Knowledge Base article:

Summary

Average processing time for a successful request to be completed

Causes

Active Directory performance issues

Resolutions

Verify CPU load on active directory machines. Upgrade hardware if needed.

Element properties:

TargetMicrosoft.LS.2010.Component.DLExpansion
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.LS.2010.Performance.Double.SimpleThresholdMonitor
RemotableTrue
AccessibilityPublic
Alert Message
Average processing time for a successful request to be completed
Perf Object Name: LS:WEB - 00 - Distribution List Expansion
Perf Counter Name: WEB - 002 - Successful Request Processing Time
Perf Counter Value: {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.2010.Monitoring.UnitMonitor.ThresholdPC.DLExpansion_PERF_DlxWeb_AverageValidRequestProcessingTime" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2010.Component.DLExpansion" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2010.Performance.Double.SimpleThresholdMonitor" ConfirmDelivery="false">
<Category>PerformanceHealth</Category>
<AlertSettings AlertMessage="Alert_Average_processing_time_for_a_successful_request_to_be_completed">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/Value$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Microsoft.LS.2010.Monitoring.UnitMonitor.ThresholdPC.DLExpansion_PERF_DlxWeb_AverageValidRequestProcessingTime_OverThreshold" MonitorTypeStateID="OverThreshold" HealthState="Error"/>
<OperationalState ID="Microsoft.LS.2010.Monitoring.UnitMonitor.ThresholdPC.DLExpansion_PERF_DlxWeb_AverageValidRequestProcessingTime_UnderThreshold" MonitorTypeStateID="UnderThreshold" HealthState="Success"/>
<OperationalState ID="Microsoft.LS.2010.Monitoring.UnitMonitor.ThresholdPC.DLExpansion_PERF_DlxWeb_AverageValidRequestProcessingTime_UnderThresholdOverThreshold" MonitorTypeStateID="UnderThresholdOverThreshold" HealthState="Warning"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<CounterName>WEB - 002 - Successful Request Processing Time</CounterName>
<ObjectName>LS:WEB - 00 - Distribution List Expansion</ObjectName>
<InstanceName/>
<AllInstances>true</AllInstances>
<Frequency>900</Frequency>
<WarningThreshold>3000</WarningThreshold>
<ErrorThreshold>5000</ErrorThreshold>
</Configuration>
</UnitMonitor>