Master service failed to read CMS backed info from AD

Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CMSMaster.MASTER_E_FAILED_TO_READ_CMS_BACKEND_INFO_FROM_AD (UnitMonitor)

Knowledge Base article:

Summary

Failed to read Central Management database information from AD connection point. Skype for Business Server 2019, Master Replicator Agent will continuously attempt to retrieve this information.

Causes

Possible issues with configuration or AD access.

Resolutions

Ensure that activation is completed and AD is accessible from this machine.

Element properties:

TargetMicrosoft.LS.2019.Component.CMSMaster
Parent MonitorSystem.Health.AvailabilityState
CategoryAvailabilityHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityHigh
Alert Auto ResolveTrue
Monitor TypeMicrosoft.LS.2019.MonitorType.TimerResetEvent.Simple
RemotableTrue
AccessibilityPublic
Alert Message
[Skype] Failed to read Central Management database information from AD connection point. Skype for Business Server 2019, Master Replicator Agent will continuously attempt to retrieve this information.
{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.2019.Monitoring.UnitMonitor.TimerResetEvent.CMSMaster.MASTER_E_FAILED_TO_READ_CMS_BACKEND_INFO_FROM_AD" Accessibility="Public" Enabled="true" Target="SFBDiscovery!Microsoft.LS.2019.Component.CMSMaster" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.LS.2019.MonitorType.TimerResetEvent.Simple" ConfirmDelivery="true">
<Category>AvailabilityHealth</Category>
<AlertSettings AlertMessage="Alert_Failed_to_read_Central_Management_database_information_from_AD_connection_point._Skype_for_Business_Server_2019__Master_Replicator_Agent_will_continuously_attempt_to_retrieve_this_information.">
<AlertOnState>Error</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>High</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/EventDescription$</AlertParameter1>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CMSMaster.MASTER_E_FAILED_TO_READ_CMS_BACKEND_INFO_FROM_AD.Timer" MonitorTypeStateID="TimerEventRaised" HealthState="Success"/>
<OperationalState ID="Microsoft.LS.2019.Monitoring.UnitMonitor.TimerResetEvent.CMSMaster.MASTER_E_FAILED_TO_READ_CMS_BACKEND_INFO_FROM_AD.Error" MonitorTypeStateID="ErrorEventRaised" HealthState="Error"/>
</OperationalStates>
<Configuration>
<ComputerName>$Target/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>
<LogName>Lync Server</LogName>
<ErrorExpression>
<And>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="UnsignedInteger">2014</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
<Expression>
<SimpleExpression>
<ValueExpression>
<XPathQuery Type="String">PublisherName</XPathQuery>
</ValueExpression>
<Operator>Equal</Operator>
<ValueExpression>
<Value Type="String">LS Master Replicator Agent Service</Value>
</ValueExpression>
</SimpleExpression>
</Expression>
</And>
</ErrorExpression>
<AutoResolveInterval>3600</AutoResolveInterval>
</Configuration>
</UnitMonitor>