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LC:DATAPROXY - 01 - Client Connections\DATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp\

LC_DATAPROXY___01___Client_Connections_DATAPROXY___008___Clients_disconnected_per_second_due_to_invalid_cookie_timestamp__100__DP (UnitMonitor)

LC:DATAPROXY - 01 - Client Connections\DATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp\ perf counter exceeded specified threshold. Current value is {0}

Knowledge Base article:

Summary

The per-second rate of number of clients rejected due to invalid timestamps

Causes

Too many clients are connecting with invalid authorization cookie

Resolutions

The Office Communications Server Data Proxy could be under attack from rogue clients.

Element properties:

TargetMicrosoft_Office_Communications_Server_2007_R2_Web_Conferencing_Edge_Server
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Instance NameLC:DATAPROXY - 01 - Client Connections
Counter NameDATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp
Frequency900
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeSystem.Performance.ThresholdMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
LC:DATAPROXY - 01 - Client Connections\DATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp\ - The per-second rate of number of clients rejected due to invalid timestamps
LC:DATAPROXY - 01 - Client Connections\DATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp\ - The per-second rate of number of clients rejected due to invalid timestamps
RunAsDefault

Source Code:

<UnitMonitor ID="LC_DATAPROXY___01___Client_Connections_DATAPROXY___008___Clients_disconnected_per_second_due_to_invalid_cookie_timestamp__100__DP" Accessibility="Public" Enabled="true" Target="Microsoft_Office_Communications_Server_2007_R2_Web_Conferencing_Edge_Server" ParentMonitorID="SCHealth!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="SCPerformance!System.Performance.ThresholdMonitorType" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="LC_DATAPROXY___01___Client_Connections_DATAPROXY___008___Clients_disconnected_per_second_due_to_invalid_cookie_timestamp______The_per_second_rate_of_number_of_clients_rejected_due_to_invalid_timestamps">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="LC_DATAPROXY___01___Client_Connections_DATAPROXY___008___Clients_disconnected_per_second_due_to_invalid_cookie_timestamp__100__DP_OverThreshold" MonitorTypeStateID="OverThreshold" HealthState="Error"/>

    <OperationalState ID="LC_DATAPROXY___01___Client_Connections_DATAPROXY___008___Clients_disconnected_per_second_due_to_invalid_cookie_timestamp__100__DP_UnderThresold" MonitorTypeStateID="UnderThreshold" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

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

    <CounterName>DATAPROXY - 008 - Clients disconnected per second due to invalid cookie timestamp</CounterName>

    <ObjectName>LC:DATAPROXY - 01 - Client Connections</ObjectName>

    <InstanceName/>

    <AllInstances>false</AllInstances>

    <Frequency>900</Frequency>

    <Threshold>100</Threshold>

  </Configuration>

</UnitMonitor>