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Microsoft Windows Server DNS Recursive Queries/sec

Microsoft.Windows.Server.DNS.RecursiveQueriessec (UnitMonitor)

Monitors Recursive Queries/sec

Knowledge Base article:

Summary

This monitor evaluates the performance counter Recursive Queries/sec of DNS Object. If the average value of the counter is above the configured threshold for more than the configured number of samples, it changes state.

Configuration

Frequency: The number of seconds between performance counter samples.

Threshold: The value at which to alert.

Num Samples: The number of samples over which the average is taken.

Causes

The DNS server is receiving excessive queries.

Resolutions

Reduce the demand on the DNS server.

Element properties:

TargetMicrosoft.Windows.Server.DNS.Server
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Instance NameDNS
Counter NameRecursive Queries/sec
Frequency180
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeSystem.Performance.AverageThreshold
RemotableTrue
AccessibilityPublic
Alert Message
Windows DNS - Recursive Queries/sec Exceeded Threshold

The performance counter DNS\Recursive Queries/sec has exceeded threshold.

Please see Health Explorer for details.
RunAsMicrosoft.Windows.Server.DNS.ActionAccount

Source Code:

<UnitMonitor ID="Microsoft.Windows.Server.DNS.RecursiveQueriessec" Accessibility="Public" Enabled="true" Target="Microsoft.Windows.Server.DNS.Server" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" RunAs="Microsoft.Windows.Server.DNS.ActionAccount" TypeID="Performance!System.Performance.AverageThreshold" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Microsoft.Windows.Server.DNS.RecursiveQueriessec_AlertMessageResourceID">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

  </AlertSettings>

  <OperationalStates>

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

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

  </OperationalStates>

  <Configuration>

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

    <CounterName>Recursive Queries/sec</CounterName>

    <ObjectName>DNS</ObjectName>

    <InstanceName/>

    <AllInstances>false</AllInstances>

    <Frequency>180</Frequency>

    <Threshold>8000</Threshold>

    <NumSamples>5</NumSamples>

  </Configuration>

</UnitMonitor>