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LC:SIP - 01 - Peers\SIP - 024 - Flow-controlled Connections Dropped\_Total

LC_SIP___01___Peers_SIP___024___Flow_controlled_Connections_Dropped__Total___AP (Rule)

The total number of connections dropped because of excessive flow-control.

Knowledge Base article:

Summary

The total number of connections dropped because of excessive flow-control.

Causes

This server or another server to which this server proxies user requests is too busy and is unable to process user requests in timely fashion.

Resolutions

This might be a temporary condition. If the problem persists, please ensure that hardware and software requirements for this server and servers it proxies user requests to as well as network bandwidth allocation for inter-server traffic meet the user usage characteristics.

Element properties:

TargetMicrosoft_Office_Communications_Server_2007_R2_Access_Edge_Server
CategoryPerformanceCollection
EnabledTrue
Instance NameLC:SIP - 01 - Peers
Counter NameSIP - 024 - Flow-controlled Connections 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="LC_SIP___01___Peers_SIP___024___Flow_controlled_Connections_Dropped__Total___AP" Enabled="true" Target="Microsoft_Office_Communications_Server_2007_R2_Access_Edge_Server" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

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

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

      <CounterName>SIP - 024 - Flow-controlled Connections Dropped</CounterName>

      <ObjectName>LC:SIP - 01 - Peers</ObjectName>

      <InstanceName>_Total</InstanceName>

      <AllInstances>false</AllInstances>

      <Frequency>900</Frequency>

      <Tolerance>5</Tolerance>

      <ToleranceType>Absolute</ToleranceType>

      <MaximumSampleSeparation>4</MaximumSampleSeparation>

    </DataSource>

  </DataSources>

  <WriteActions>

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

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

  </WriteActions>

</Rule>