Load Balancer Mux virtual server unreachable monitor

Microsoft.Windows.10.SDNMonitoring.LoadBalancerMux.VirtualServerUnreachable (UnitMonitor)

Virtual server is unreachable. Could be due to network errors or authorization rejection at the virtual server.

Knowledge Base article:

Summary

Virtual server is unreachable. Could be due to network errors or authorization rejection at the virtual server.

Causes

The Fabric Virtual Machine Appliance (e.g. Mux) is unreachable from the Network Controller.

Resolutions

Ensure that connectivity on the physical network exists between the Fabric Virtual Machine and Network Controller. (e.g. via ICMP).
Ensure that certificates are configured on the respective virtual machines in agreement with the values at REST.
Look at Event Viewer Logs at the Fabric Virtual machine to uncover authentication and authorization failures that occur at the Fabric Virtual machine.

Element properties:

Target

SDNMonitoringMP.SDNMonitoring.LoadBalancerMux

Parent Monitor

System.Health.AvailabilityState

Category

AvailabilityHealth

Enabled

True

Alert Generate

True

Alert Severity

MatchMonitorHealth

Alert Priority

High

Alert Auto Resolve

True

Monitor Type

Microsoft.Windows.SDNMonitoring.UnitMonitorType.TwoStateUnitMonitor

Remotable

True

Accessibility

Public

Alert Message

Load Balancer Mux virtual server unreachable

Virtual server is unreachable. Could be due to network errors or authorization rejection at the virtual server.

RunAs

Microsoft.Windows.10.SDNMonitoring.NCRunAsProfile

Source Code:

<UnitMonitor ID="Microsoft.Windows.10.SDNMonitoring.LoadBalancerMux.VirtualServerUnreachable" Accessibility="Public" Enabled="true" Target="SDNMonitoringMP.SDNMonitoring.LoadBalancerMux" ParentMonitorID="Health!System.Health.AvailabilityState" Remotable="true" Priority="Normal" TypeID="Microsoft.Windows.SDNMonitoring.UnitMonitorType.TwoStateUnitMonitor" ConfirmDelivery="false" RunAs="Microsoft.Windows.10.SDNMonitoring.NCRunAsProfile">

  <Category>AvailabilityHealth</Category>

  <AlertSettings AlertMessage="Microsoft.Windows.10.SDNMonitoring.LoadBalancerMux.VirtualServerUnreachable.AlertMessage">

    <AlertOnState>Error</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>High</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

  </AlertSettings>

  <OperationalStates>

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

    <OperationalState ID="Error" MonitorTypeStateID="Error" HealthState="Error"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>300</IntervalSeconds>

    <SyncTime>12:00</SyncTime>

    <ErrorCode>VirtualServerUnreachable</ErrorCode>

    <Name>$Target/Property[Type="SDNMonitoringMP.SDNMonitoring.LoadBalancerMux"]/Id$</Name>

  </Configuration>

</UnitMonitor>