Group Policy Extension Monitor

Microsoft.Windows.GroupPolicy.2008.Runtime.ApplicationofGroupPolicy.System.CorrectaGroupPolicyextensionfailure.EventBased.UnitMonitor (UnitMonitor)

Knowledge Base article:

Summary

Group Policy Extension Failure

Group Policy uses the information collected during preprocessing to apply settings to the computer or user. The Group Policy service cycles through each client-side extension, sharing the previous collected information. Each client-side extension then applies its specific policy settings to the computer or users. During this process, one or more client-side extensions may report problems when attempting to apply policy settings.

Resolutions

Correct a Group Policy extension failure

The following Group Policy client-side extensions provide instructions to further diagnose the problem:

The following Group Policy client-side extensions do not provide additional troubleshooting information at this time:

Element properties:

TargetMicrosoft.Windows.GroupPolicy.2008.Runtime
Parent MonitorSystem.Health.AvailabilityState
CategoryStateCollection
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.2SingleEventLog2StateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Application of Group Policy Alert
{0}
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.Windows.GroupPolicy.2008.Runtime.ApplicationofGroupPolicy.System.CorrectaGroupPolicyextensionfailure.EventBased.UnitMonitor" Accessibility="Public" Enabled="onEssentialMonitoring" Target="Microsoft.Windows.GroupPolicy.2008.Runtime" ParentMonitorID="SystemHealth!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="true">
<Category>StateCollection</Category>
<AlertSettings AlertMessage="Microsoft.Windows.GroupPolicy.2008.Runtime.ApplicationofGroupPolicy.System.CorrectaGroupPolicyextensionfailure.EventBased.UnitMonitor.AlertMessage">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>MatchMonitorHealth</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Success" MonitorTypeStateID="FirstEventRaised" HealthState="Success"/>
<OperationalState ID="Negative" MonitorTypeStateID="SecondEventRaised" HealthState="Error"/>
</OperationalStates>
<Configuration>
<FirstComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</FirstComputerName>
<FirstLogName>System</FirstLogName>
<FirstExpression>
<Or>
<Expression>
<Or>
<Expression>
<Or>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-GroupPolicy</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>1503</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-GroupPolicy</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>1502</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</Or>
</Expression>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-GroupPolicy</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>1501</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</Or>
</Expression>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-GroupPolicy</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>1500</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</Or>
</FirstExpression>
<SecondComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</SecondComputerName>
<SecondLogName>System</SecondLogName>
<SecondExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>Microsoft-Windows-GroupPolicy</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery>EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value>1085</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</SecondExpression>
</Configuration>
</UnitMonitor>