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LDAP Connection Error

Microsoft.ActiveDirectoryFederationServices.2016.TokenIssuanceLDAPDCConnectionErrorMonitor (UnitMonitor)

Knowledge Base article:

Summary

This monitor indicates that the Federation Service failed to connect to an LDAP server. This will cause token issuance to fail.

If the same problem does not happen again within 15 minutes, the health state of this monitor will change back to a Green state. A corresponding alert is generated by the alert rule, and it must be resolved manually.

Causes

The LDAP server is unavailable or is misconfigured.

Resolutions

Check the network connectivity to the LDAP server. Also, determine whether the LDAP server is configured correctly.

Element properties:

TargetMicrosoft.ActiveDirectoryFederationServices.2016.TokenIssuance
Parent MonitorSystem.Health.ConfigurationState
CategoryConfigurationHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.SingleEventLogTimer2StateMonitorType
RemotableTrue
AccessibilityPublic
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.ActiveDirectoryFederationServices.2016.TokenIssuanceLDAPDCConnectionErrorMonitor" Accessibility="Public" Enabled="true" Target="Microsoft.ActiveDirectoryFederationServices.2016.TokenIssuance" ParentMonitorID="Health!System.Health.ConfigurationState" Remotable="true" Priority="Normal" TypeID="Windows!Microsoft.Windows.SingleEventLogTimer2StateMonitorType" ConfirmDelivery="true">

  <Category>ConfigurationHealth</Category>

  <OperationalStates>

    <OperationalState ID="EventRaised" MonitorTypeStateID="EventRaised" HealthState="Warning"/>

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

  </OperationalStates>

  <Configuration>

    <ComputerName>$Target/Host/Host/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

    <LogName>$Target/Host/Host/Property[Type="Microsoft.ActiveDirectoryFederationServices.2016.FederationServer"]/ADFSEventLog$</LogName>

    <Expression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="UnsignedInteger">EventDisplayNumber</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">246</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery Type="String">PublisherName</XPathQuery>

            </ValueExpression>

            <Operator>MatchesMOM2005RegularExpression</Operator>

            <Pattern>(^AD FS$)</Pattern>

          </RegExExpression>

        </Expression>

      </And>

    </Expression>

    <TimerWaitInSeconds>900</TimerWaitInSeconds>

  </Configuration>

</UnitMonitor>