Lync Web App MTLS certificate configured

Microsoft.LS.2010.Monitoring.UnitMonitor.PairedEvent.WebRelay_WEBRELAY_DC_FAILED_GET_MTLS_CERT (UnitMonitor)

Knowledge Base article:

Summary

No certificate was configured for MTLS connections.

Causes

Failure to obtain configured certificate or configured certificate is invalid.

Resolutions

Ensure that the certificate assigned to Lync Web App is valid.

Element properties:

TargetMicrosoft.LS.2010.Component.WebRelay
Parent MonitorSystem.Health.ConfigurationState
CategoryConfigurationHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.2SingleEventLog2StateMonitorType
RemotableTrue
AccessibilityPublic
Alert Message
No certificate was configured for MTLS connections.
{0}

Please see the 'Product Knowledge' and the 'Alert Context' tab on Alert Properties view for more information.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.LS.2010.Monitoring.UnitMonitor.PairedEvent.WebRelay_WEBRELAY_DC_FAILED_GET_MTLS_CERT" Accessibility="Public" Enabled="true" Target="Microsoft.LS.2010.Component.WebRelay" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.2SingleEventLog2StateMonitorType" ConfirmDelivery="true">
<Category>ConfigurationHealth</Category>
<AlertSettings AlertMessage="Alert_No_certificate_was_configured_for_MTLS_connections.">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Microsoft.LS.2010.Monitoring.UnitMonitor.PairedEvent.WebRelay_WEBRELAY_DC_FAILED_GET_MTLS_CERT.Error" MonitorTypeStateID="FirstEventRaised" HealthState="Error"/>
<OperationalState ID="Microsoft.LS.2010.Monitoring.UnitMonitor.PairedEvent.WebRelay_WEBRELAY_DC_FAILED_GET_MTLS_CERT.Success" MonitorTypeStateID="SecondEventRaised" HealthState="Success"/>
</OperationalStates>
<Configuration>
<FirstComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</FirstComputerName>
<FirstLogName>Lync Server</FirstLogName>
<FirstExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">59067</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">LS Lync Web App</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</FirstExpression>
<SecondComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</SecondComputerName>
<SecondLogName>Lync Server</SecondLogName>
<SecondExpression>
<Or>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">59066</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">LS Lync Web App</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
<Expression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">59065</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">LS Lync Web App</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</Expression>
</Or>
</SecondExpression>
</Configuration>
</UnitMonitor>