Network Adapters DNS Servers Monitor

Microsoft.Windows.Server.2012.R2.AD.Configuration.NetworkAdapters.DNS.Monitor (UnitMonitor)

Monitors the DNS servers for all network adapters.

Knowledge Base article:

Summary

This monitor verifies that the DNS servers for all network adapters resolve to ping requests.

Configuration

IntervalSeconds: How frequently the monitor is run (seconds)

Error Threshold: threshold that must be exceeded to trigger an error alert

WarnThreshold: threshold that must be exceeded to trigger a warning alert

Causes

Possible causes include the following:

Resolutions

Ensure that the DNS Servers for all network adapters are correct.

Ensure that the DNS Servers for all network adapters are online and functioning correctly.

Ensure that there are no problems with the network adapters.

Element properties:

TargetMicrosoft.Windows.Server.2012.R2.AD.DomainControllerRole
Parent MonitorSystem.Health.ConfigurationState
CategoryCustom
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.Server.2012.R2.AD.Configuration.NetworkAdapters.DNS.Monitortype
RemotableFalse
AccessibilityPublic
Alert Message
The Network Adapters DNS Servers health monitor has failed.
{0}
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.Windows.Server.2012.R2.AD.Configuration.NetworkAdapters.DNS.Monitor" Accessibility="Public" Enabled="true" Target="AD2012R2Core!Microsoft.Windows.Server.2012.R2.AD.DomainControllerRole" ParentMonitorID="SystemHealth!System.Health.ConfigurationState" Remotable="false" Priority="Normal" TypeID="Microsoft.Windows.Server.2012.R2.AD.Configuration.NetworkAdapters.DNS.Monitortype" ConfirmDelivery="false">
<Category>Custom</Category>
<AlertSettings AlertMessage="Microsoft.Windows.Server.2012.R2.AD.Configuration.NetworkAdapters.DNS.Monitor.AlertMessage">
<AlertOnState>Warning</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/Property[@Name='ErrorString']$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="AdaptersOK" MonitorTypeStateID="AdaptersOK" HealthState="Success"/>
<OperationalState ID="AdaptersWarn" MonitorTypeStateID="AdaptersWarn" HealthState="Warning"/>
<OperationalState ID="AdaptersError" MonitorTypeStateID="AdaptersError" HealthState="Error"/>
</OperationalStates>
<Configuration>
<IntervalSeconds>300</IntervalSeconds>
<TimeoutSeconds>300</TimeoutSeconds>
<ErrorThreshold>0</ErrorThreshold>
<WarnThreshold>2</WarnThreshold>
</Configuration>
</UnitMonitor>