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Netlogon Service Health

Microsoft.Windows.Server.2012.AD.AvailabilityEssentialService.NetLogon.ServiceCheck (UnitMonitor)

Monitors the health of the Windows Service: NetLogon

Knowledge Base article:

Summary

Monitors that the Netlogon service is running on this domain controller. This service maintains a secure channel between this computer and the domain controller for authenticating users and services.

If the service is stopped, the computer may not authenticate users and services, and the domain controller cannot register DNS records.

Causes

The Netlogon service is not running.

Resolutions

Verify that the Netlogon service is set to automatic start and is running.

Element properties:

TargetMicrosoft.Windows.Server.2012.AD.DomainControllerRole
Parent MonitorMicrosoft.Windows.Server.2012.AD.AvailabilityEssentialServices.AggregateMonitor
CategoryCustom
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.CheckNTServiceStateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
NetLogon Service Not Running
The NetLogon Service is not running.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.Windows.Server.2012.AD.AvailabilityEssentialService.NetLogon.ServiceCheck" Accessibility="Public" Enabled="true" Target="AD2012Core!Microsoft.Windows.Server.2012.AD.DomainControllerRole" ParentMonitorID="Microsoft.Windows.Server.2012.AD.AvailabilityEssentialServices.AggregateMonitor" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.CheckNTServiceStateMonitorType" ConfirmDelivery="false">

  <Category>Custom</Category>

  <AlertSettings AlertMessage="Microsoft.Windows.Server.2012.AD.AvailabilityEssentialService.NetLogon.ServiceCheck.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>High</AlertPriority>

    <AlertSeverity>Error</AlertSeverity>

  </AlertSettings>

  <OperationalStates>

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

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

  </OperationalStates>

  <Configuration>

    <ComputerName>.</ComputerName>

    <ServiceName>Netlogon</ServiceName>

    <CheckStartupType>true</CheckStartupType>

  </Configuration>

</UnitMonitor>