Monitor for TFS Event 3012 - Plug-in Load Error

TeamFoundationServer2012.MonitorTFSEvent3012 (UnitMonitor)

A Plug-in failed to load.

Knowledge Base article:

Summary

A Plug-in failed to load

Causes

This can be due to a variety of reasons:

Missing Plug-in

Wrong DLL OR custom assembly

Resolutions

Please check the Event Log. This will have more information on the name of the Plug-in etc.,. from which you can troubleshoot the issue

Element properties:

Target	TeamFoundationServer2012.TFS2012AppComponentBase
Parent Monitor	System.Health.ConfigurationState
Category	ConfigurationHealth
Enabled	True
Alert Generate	False
Alert Auto Resolve	True
Monitor Type	Microsoft.Windows.SingleEventLogTimer2StateMonitorType
Remotable	True
Accessibility	Public
RunAs	Default

Source Code:

<UnitMonitor ID="TeamFoundationServer2012.MonitorTFSEvent3012" Accessibility="Public" Enabled="true" Target="TeamFoundationServer2012.TFS2012AppComponentBase" 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>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

    <LogName>Application</LogName>

    <Expression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="UnsignedInteger">3012</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

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

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">TFS Services</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </Expression>

    <TimerWaitInSeconds>600</TimerWaitInSeconds>

  </Configuration>

</UnitMonitor>