AD FS Windows Service Failed to Start Because of a Missing Configuration Value

Microsoft.ActiveDirectoryFederationServices.2016.FederationServerBadConfigurationValueMissingMonitor (UnitMonitor)

Knowledge Base article:

Summary

The AD FS Windows service failed to start because there is a missing element in the AD FS configuration file (Microsoft.IdentityServer.ServiceHost.exe.config).

If the AD FS Windows service is successfully started, the monitor will change to a Green state and the original critical alert will be resolved automatically.

Causes

Service configuration data is missing a required element.

Resolutions

Fix the configuration error as reported in the event, and then try to start the Federation Service again.

Element properties:

TargetMicrosoft.ActiveDirectoryFederationServices.2016.FederationServer
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.2SingleEventLog2StateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
AD FS Windows Service Failed to Start Because of a Missing Configuration Value
The required element '{0}' in the AD FS configuration file was missing. The AD FS Windows Service failed to start.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.ActiveDirectoryFederationServices.2016.FederationServerBadConfigurationValueMissingMonitor" Accessibility="Public" Enabled="true" Target="Microsoft.ActiveDirectoryFederationServices.2016.FederationServer" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="true">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Microsoft.ActiveDirectoryFederationServices.2016.FederationServerBadConfigurationValueMissingMonitor_AlertMessageResourceID">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/Params/Param[1]$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="FirstEventRaised" MonitorTypeStateID="FirstEventRaised" HealthState="Error"/>
<OperationalState ID="SecondEventRaised" MonitorTypeStateID="SecondEventRaised" HealthState="Success"/>
</OperationalStates>
<Configuration>
<FirstComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</FirstComputerName>
<FirstLogName>$Target/Property[Type="Microsoft.ActiveDirectoryFederationServices.2016.FederationServer"]/ADFSEventLog$</FirstLogName>
<FirstExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">132</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<RegExExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>MatchesMOM2005RegularExpression</Operator>
<Pattern>(^AD FS$)</Pattern>
</RegExExpression>
</Expression>
</And>
</FirstExpression>
<SecondComputerName>$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</SecondComputerName>
<SecondLogName>$Target/Property[Type="Microsoft.ActiveDirectoryFederationServices.2016.FederationServer"]/ADFSEventLog$</SecondLogName>
<SecondExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">100</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<RegExExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>MatchesMOM2005RegularExpression</Operator>
<Pattern>(^AD FS$)</Pattern>
</RegExExpression>
</Expression>
</And>
</SecondExpression>
</Configuration>
</UnitMonitor>