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Network Monitoring Timeouts

Microsoft.SystemCenter.NetworkManagement.IsExperiencingExcessiveTimeouts (UnitMonitor)

This monitor checks whether Network Monitoring is experiencing excessive timeouts

Knowledge Base article:

Summary

Network Monitoring targets are experiencing excessive timeouts.

Causes

Network Monitoring timeouts can indicate an issue with SNMP credentials supplied, intermittent network latency or unexpected blockage of SNMP traffic.

Resolutions

Check to ensure your SNMP credentials supplied during Network Discovery are still valid. Ensure firewall rules are not blocking SNMP access to the devices being monitored. Contact your network administrator for additional troubleshooting.

Element properties:

TargetMicrosoft.SystemCenter.HealthService
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityHigh
Alert Auto ResolveFalse
Monitor TypeMicrosoft.SystemCenter.NetworkManagement.IsExperiencingExcessiveTimeouts.MonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Network Monitoring is experiencing excessive timeouts
Network Monitoring targets are experiencing excessive timeouts.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SystemCenter.NetworkManagement.IsExperiencingExcessiveTimeouts" Accessibility="Public" Enabled="true" Target="SCLibrary!Microsoft.SystemCenter.HealthService" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.SystemCenter.NetworkManagement.IsExperiencingExcessiveTimeouts.MonitorType" ConfirmDelivery="true">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SystemCenter.NetworkManagement.IsExperiencingExcessiveTimeouts.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>false</AutoResolve>

    <AlertPriority>High</AlertPriority>

    <AlertSeverity>Warning</AlertSeverity>

    <AlertParameters/>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="WithExcessiveTimeouts" MonitorTypeStateID="RepeatedEventRaised" HealthState="Warning"/>

    <OperationalState ID="UnderExcessiveTimeouts" MonitorTypeStateID="ManualResetEventRaised" HealthState="Success"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>300</IntervalSeconds>

    <Count>5</Count>

  </Configuration>

</UnitMonitor>