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DFS-N: Folder Overlap

Microsoft.Windows.FileServer.DFSN.10.0.DfsLinkOverlapAlertRule (Rule)

This object monitors whether there are overlapping DFS folders (links) by looking for DFS Namespaces event 14545, and if there are, generates an alert.

Knowledge Base article:

Summary

This object monitors whether there are overlapping DFS folders (links) by looking for DFS Namespaces event 14545, and if there are, generates an alert.

Causes

If a script attempts to create the same DFS folder in a domain-based namespace (Windows Server�2008 mode) at approximately the same time on different namespace servers, the DFS Namespace service could create two identically named folders.

Resolutions

To remove duplicate folders, you must be a member of the Domain Admins group in the domain in which the namespace exists. To remove duplicate folders, see the DFS Namespaces FAQ (http://go.microsoft.com/fwlink/?LinkId=171023).

Additional

DFS Namespaces Event 14545 (http://go.microsoft.com/fwlink/?LinkId=186550)

Element properties:

TargetMicrosoft.Windows.FileServer.DFSN.10.0.RoleService
CategoryCustom
EnabledTrue
Event_ID14545
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
RemotableTrue
Alert Message
DFS-N: Folder Overlap
{0}
Event LogSystem

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.Windows.EventProvider Default
Alert WriteAction System.Health.GenerateAlert Default

Source Code:

<Rule ID="Microsoft.Windows.FileServer.DFSN.10.0.DfsLinkOverlapAlertRule" Enabled="true" Target="Microsoft.Windows.FileServer.DFSN.10.0.RoleService" ConfirmDelivery="true" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>Custom</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Windows!Microsoft.Windows.EventProvider">

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

      <LogName>System</LogName>

      <Expression>

        <And>

          <Expression>

            <SimpleExpression>

              <ValueExpression>

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

              </ValueExpression>

              <Operator>Equal</Operator>

              <ValueExpression>

                <Value Type="UnsignedInteger">14545</Value>

              </ValueExpression>

            </SimpleExpression>

          </Expression>

          <Expression>

            <RegExExpression>

              <ValueExpression>

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

              </ValueExpression>

              <Operator>ContainsSubstring</Operator>

              <Pattern>System</Pattern>

            </RegExExpression>

          </Expression>

        </And>

      </Expression>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="Alert" TypeID="Health!System.Health.GenerateAlert">

      <Priority>1</Priority>

      <Severity>1</Severity>

      <AlertName/>

      <AlertDescription/>

      <AlertOwner/>

      <AlertMessageId>$MPElement[Name="Microsoft.Windows.FileServer.DFSN.10.0.DfsLinkOverlapAlertRule.AlertMessage"]$</AlertMessageId>

      <AlertParameters>

        <AlertParameter1>$Data/EventDescription$</AlertParameter1>

      </AlertParameters>

      <Suppression>

        <SuppressionValue>$Data/EventDisplayNumber$</SuppressionValue>

        <SuppressionValue>$Data/Channel$</SuppressionValue>

        <SuppressionValue>$Data/PublisherName$</SuppressionValue>

        <SuppressionValue>$Data/EventDescription$</SuppressionValue>

        <SuppressionValue>$Data/Params/Param[1]$</SuppressionValue>

        <SuppressionValue>$Data/Params/Param[2]$</SuppressionValue>

      </Suppression>

      <Custom1/>

      <Custom2/>

      <Custom3/>

      <Custom4/>

      <Custom5/>

      <Custom6/>

      <Custom7/>

      <Custom8/>

      <Custom9/>

      <Custom10/>

    </WriteAction>

  </WriteActions>

</Rule>