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Microsoft.Windows.Server.2008.AD.EssentialService.SysVol.Monitortype (UnitMonitorType)

Knowledge Base article:

Additional

The health of the Sysvol shared folder is essential to the Domain Controller. Sysvol is a shared folder on every domain controller that stores a copy of the domain’s public files, including system policies and Group Policy settings, which are replicated to all other domain controllers in the domain. SYSVOL share problems prevent Group Policy and login scripts from working.

Element properties:

RunAsDefault
AccessibilityInternal
Support Monitor RecalculateFalse

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Windows.Server.2008.AD.EssentialService.SysVol.DataSource Default
FilterNotOK ConditionDetection System.ExpressionFilter Default
FilterOK ConditionDetection System.ExpressionFilter Default

Overrideable Parameters:

IDParameterTypeSelector
IntervalSecondsint$Config/IntervalSeconds$
TimeoutSecondsint$Config/TimeoutSeconds$

Source Code:

<UnitMonitorType ID="Microsoft.Windows.Server.2008.AD.EssentialService.SysVol.Monitortype" Accessibility="Internal">

  <MonitorTypeStates>

    <MonitorTypeState ID="SYSVOLShareOK" NoDetection="false"/>

    <MonitorTypeState ID="SYSVOLShareError" NoDetection="false"/>

  </MonitorTypeStates>

  <Configuration>

    <xsd:element name="IntervalSeconds" type="xsd:int"/>

    <xsd:element name="TargetComputerName" type="xsd:string"/>

    <xsd:element name="ManagementGroupName" type="xsd:string"/>

    <xsd:element name="TimeoutSeconds" type="xsd:int"/>

  </Configuration>

  <OverrideableParameters>

    <OverrideableParameter ID="IntervalSeconds" Selector="$Config/IntervalSeconds$" ParameterType="int"/>

    <OverrideableParameter ID="TimeoutSeconds" Selector="$Config/TimeoutSeconds$" ParameterType="int"/>

  </OverrideableParameters>

  <MonitorImplementation>

    <MemberModules>

      <DataSource ID="DS" TypeID="Microsoft.Windows.Server.2008.AD.EssentialService.SysVol.DataSource">

        <IntervalSeconds>$Config/IntervalSeconds$</IntervalSeconds>

        <TimeoutSeconds>$Config/TimeoutSeconds$</TimeoutSeconds>

      </DataSource>

      <ConditionDetection ID="FilterOK" TypeID="System!System.ExpressionFilter">

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery>Property[@Name='Status']</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>GOOD</Pattern>

          </RegExExpression>

        </Expression>

      </ConditionDetection>

      <ConditionDetection ID="FilterNotOK" TypeID="System!System.ExpressionFilter">

        <Expression>

          <RegExExpression>

            <ValueExpression>

              <XPathQuery>Property[@Name='Status']</XPathQuery>

            </ValueExpression>

            <Operator>ContainsSubstring</Operator>

            <Pattern>BAD</Pattern>

          </RegExExpression>

        </Expression>

      </ConditionDetection>

    </MemberModules>

    <RegularDetections>

      <RegularDetection MonitorTypeStateID="SYSVOLShareOK">

        <Node ID="FilterOK">

          <Node ID="DS"/>

        </Node>

      </RegularDetection>

      <RegularDetection MonitorTypeStateID="SYSVOLShareError">

        <Node ID="FilterNotOK">

          <Node ID="DS"/>

        </Node>

      </RegularDetection>

    </RegularDetections>

  </MonitorImplementation>

</UnitMonitorType>