Dns64 unknown error

Microsoft.Windows.RemoteAccess.Monitor.DA_DNS64_HEURISTIC_UNKNOWN (UnitMonitor)

unknown error with Dns64

Element properties:

TargetMicrosoft.Windows.RemoteAccess.Class.DNS64
Parent MonitorSystem.Health.AvailabilityState
CategoryCustom
EnabledTrue
Alert GenerateTrue
Alert SeverityError
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.Windows.RemoteAccess.Monitor.Heuristic.MonitorType
RemotableTrue
AccessibilityPublic
Alert Message
Dns64 Unknown Error

Error Description - {0}
Error Cause - {1}
Error Resolution - {2}
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.Windows.RemoteAccess.Monitor.DA_DNS64_HEURISTIC_UNKNOWN" Accessibility="Public" Enabled="true" Target="Microsoft.Windows.RemoteAccess.Class.DNS64" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.Windows.RemoteAccess.Monitor.Heuristic.MonitorType" ConfirmDelivery="true">
<Category>Custom</Category>
<AlertSettings AlertMessage="Microsoft.Windows.RemoteAccess.Monitor.DA_DNS64_HEURISTIC_UNKNOWN_AlertMessageResourceID">
<AlertOnState>Warning</AlertOnState>
<AutoResolve>true</AutoResolve>
<AlertPriority>Normal</AlertPriority>
<AlertSeverity>Error</AlertSeverity>
<AlertParameters>
<AlertParameter1>$Data/Context/DataItem/Property[@Name='ErrorDesc']$</AlertParameter1>
<AlertParameter2>$Data/Context/DataItem/Property[@Name='ErrorCause']$</AlertParameter2>
<AlertParameter3>$Data/Context/DataItem/Property[@Name='ErrorResolution']$</AlertParameter3>
</AlertParameters>
</AlertSettings>
<OperationalStates>
<OperationalState ID="UIGeneratedOpStateId386d0e451ac443db91574c3ab8fc2934" MonitorTypeStateID="Error" HealthState="Error"/>
<OperationalState ID="UIGeneratedOpStateIdad90764608c940f69c56133c89d81c57" MonitorTypeStateID="Warning" HealthState="Warning"/>
<OperationalState ID="UIGeneratedOpStateIdd45d4e74760d48a4a42419cc37de0e47" MonitorTypeStateID="Healthy" HealthState="Success"/>
</OperationalStates>
<Configuration>
<Interval>300</Interval>
<SyncTime/>
<ComponentName>Dns64</ComponentName>
<HeuristicId>2147876864</HeuristicId>
</Configuration>
</UnitMonitor>