Deduplication Enabled

Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume.DedupEnabled (UnitMonitor)

Reports if a volume has data deduplication enabled.

Knowledge Base article:

Summary

This object monitors the deduplication state on the volume.

When a data deduplication volume is set to disabled state, data deduplication will not run any jobs on the volume. This means no additional space savings will be made.

Causes

The volume is disabled for deduplication.

Resolutions

Enable the volume for deduplication using the powershell cmdlets Enable-DedupVolume or from the File Services Volumes page in Server Manager.

Additional

Deduplication Cmdlets in Windows PowerShell (http://go.microsoft.com/fwlink/?LinkId=255899)

Install and Configure Data Deduplication (http://go.microsoft.com/fwlink/?LinkId=255895)

Element properties:

Target	Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume
Parent Monitor	System.Health.ConfigurationState
Category	ConfigurationHealth
Enabled	True
Alert Generate	False
Alert Auto Resolve	False
Monitor Type	Microsoft.Windows.FileServices.Service.Deduplication.10.0.WMIEventMonitorType
Remotable	True
Accessibility	Public
RunAs	Default

Source Code:

<UnitMonitor ID="Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume.DedupEnabled" TypeID="Microsoft.Windows.FileServices.Service.Deduplication.10.0.WMIEventMonitorType" Accessibility="Public" Target="Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume" Remotable="true" ParentMonitorID="SystemHealth!System.Health.ConfigurationState">

  <Category>ConfigurationHealth</Category>

  <OperationalStates>

    <OperationalState MonitorTypeStateID="FirstExpressionMatched" HealthState="Warning" ID="DedupDisabled"/>

    <OperationalState MonitorTypeStateID="SecondExpressionMatched" HealthState="Success" ID="DedupEnabled"/>

  </OperationalStates>

  <Configuration>

    <NameSpace>\\$Target/Host/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$\ROOT\Microsoft\Windows\Deduplication</NameSpace>

    <Query>SELECT VolumeId, Volume, Enabled FROM MSFT_DedupVolume</Query>

    <Frequency>1800</Frequency>

    <FirstExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Property[@Name='VolumeId']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">$Target/Property[Type="Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume"]/VolumeId$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="Boolean">Property[@Name='Enabled']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="Boolean">false</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </FirstExpression>

    <SecondExpression>

      <And>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="String">Property[@Name='VolumeId']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="String">$Target/Property[Type="Microsoft.Windows.FileServices.Service.Deduplication.10.0.Volume"]/VolumeId$</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

        <Expression>

          <SimpleExpression>

            <ValueExpression>

              <XPathQuery Type="Boolean">Property[@Name='Enabled']</XPathQuery>

            </ValueExpression>

            <Operator>Equal</Operator>

            <ValueExpression>

              <Value Type="Boolean">true</Value>

            </ValueExpression>

          </SimpleExpression>

        </Expression>

      </And>

    </SecondExpression>

  </Configuration>

</UnitMonitor>