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USrv - 016 - Total Dropped Requests (Error) (Threshold)

USrv___016___Total_Dropped_Requests__Error___Threshold__1_7_Rule (Rule)

Knowledge Base article:

Management Pack
Summary
The number of requests that have been dropped by the database layer because they would time out.
 
Causes
The backend might be busy and is unable to respond to requests quickly.
 
Resolutions
This might be a temporary condition. If the problem persists please ensure that the hardware and software requirements meet the user usage characteristics.
 
© 2001-2005 Microsoft, all rights reserved.

Element properties:

TargetMicrosoft.Office.LiveCommunicationsServer.2005.Microsoft_Office_Live_Communications_Server_2005_Enterprise_Edition_Installation
CategoryPerformanceHealth
EnabledTrue
Instance NameLC:USrv - 00 - DBStore
Counter NameUSrv - 016 - Total Dropped Requests
Frequency900
Alert GenerateTrue
Alert SeverityError
Alert PriorityLow
RemotableTrue
Alert Message
USrv - 016 - Total Dropped Requests (Error) (Threshold)

$Data/ObjectName$
:
$Data/CounterName$
:
$Data/InstanceName$
value =
$Data/Value$
CommentMom2005ID='{EF3F728D-4378-4691-A32C-C544C6CAE541}';MOM2005ComputerGroupID={CFD63B0C-55F0-407D-91B4-EE48A4AAA89A}

Member Modules:

ID Module Type TypeId RunAs 
_04400C52_940E_4205_BB88_3631435CAEC3_ DataSource System.Mom.BackwardCompatibility.Performance.FilteredDataProvider Default
DeltaThresholdFilter ConditionDetection System.Performance.DeltaThresholdCondition Default
GenerateAlert WriteAction System.Mom.BackwardCompatibility.AlertResponse Default

Source Code:

<Rule ID="USrv___016___Total_Dropped_Requests__Error___Threshold__1_7_Rule" Target="Microsoft.Office.LiveCommunicationsServer.2005.Microsoft_Office_Live_Communications_Server_2005_Enterprise_Edition_Installation" Enabled="true" ConfirmDelivery="false" Comment="Mom2005ID='{EF3F728D-4378-4691-A32C-C544C6CAE541}';MOM2005ComputerGroupID={CFD63B0C-55F0-407D-91B4-EE48A4AAA89A}">

  <Category>PerformanceHealth</Category>

  <DataSources>

    <DataSource ID="_04400C52_940E_4205_BB88_3631435CAEC3_" Comment="{04400C52-940E-4205-BB88-3631435CAEC3}" TypeID="MomBackwardCompatibility!System.Mom.BackwardCompatibility.Performance.FilteredDataProvider">

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

      <CounterName>USrv - 016 - Total Dropped Requests</CounterName>

      <ObjectName>LC:USrv - 00 - DBStore</ObjectName>

      <Frequency>900</Frequency>

      <Expression/>

    </DataSource>

  </DataSources>

  <ConditionDetection ID="DeltaThresholdFilter" TypeID="PerformanceLibrary!System.Performance.DeltaThresholdCondition">

    <NumSamples>2</NumSamples>

    <Threshold>10</Threshold>

    <Operator>Greater</Operator>

  </ConditionDetection>

  <WriteActions>

    <WriteAction ID="GenerateAlert" TypeID="MomBackwardCompatibility!System.Mom.BackwardCompatibility.AlertResponse">

      <AlertGeneration>

        <GenerateAlert>true</GenerateAlert>

        <Owner/>

        <Description>

            $Data/ObjectName$

          :  

            $Data/CounterName$

          :  

            $Data/InstanceName$

           value = 

            $Data/Value$

          </Description>

        <AlertLevel>40</AlertLevel>

        <ResolutionState/>

        <Source>

            $Data/ObjectName$

          :  

            $Data/CounterName$

          :  

            $Data/InstanceName$

          </Source>

        <Name>USrv - 016 - Total Dropped Requests (Error) (Threshold)</Name>

      </AlertGeneration>

      <InvokerType>0</InvokerType>

    </WriteAction>

  </WriteActions>

</Rule>