Edit C:\Windows\PolicyDefinitions\PreviousVersions.admx

<?xml version="1.0" encoding="utf-8"?>

<policyDefinitions xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" revision="1.0" schemaVersion="1.0" xmlns="http://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions">
  <policyNamespaces>
    <target prefix="previousversions" namespace="Microsoft.Policies.PreviousVersions" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <supportedOn>
    <definitions>
      <definition name="SUPPORTED_Vista_through_Win7" displayName="$(string.SUPPORTED_Vista_through_Win7)">
         <or>
          <range     ref="products:MicrosoftWindowsVista" /> 
          <reference ref="products:MicrosoftWindows7"/> 
        </or>
      </definition>
    </definitions>
  </supportedOn>
  <categories>
    <category name="PreviousVersions" displayName="$(string.PreviousVersions)">
      <parentCategory ref="windows:WindowsExplorer" />
    </category>
  </categories>
  <policies>
    <policy name="DisableBackupRestore_1" class="User" displayName="$(string.DisableBackupRestore)" explainText="$(string.DisableBackupRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableBackupRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableBackupRestore_2" class="Machine" displayName="$(string.DisableBackupRestore)" explainText="$(string.DisableBackupRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableBackupRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableLocalPage_1" class="User" displayName="$(string.DisableLocalPage)" explainText="$(string.DisableLocalPage_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableLocalPage">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableLocalPage_2" class="Machine" displayName="$(string.DisableLocalPage)" explainText="$(string.DisableLocalPage_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableLocalPage">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableLocalRestore_1" class="User" displayName="$(string.DisableLocalRestore)" explainText="$(string.DisableLocalRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableLocalRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableLocalRestore_2" class="Machine" displayName="$(string.DisableLocalRestore)" explainText="$(string.DisableLocalRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableLocalRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableRemotePage_1" class="User" displayName="$(string.DisableRemotePage)" explainText="$(string.DisableRemotePage_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableRemotePage">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableRemotePage_2" class="Machine" displayName="$(string.DisableRemotePage)" explainText="$(string.DisableRemotePage_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableRemotePage">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableRemoteRestore_1" class="User" displayName="$(string.DisableRemoteRestore)" explainText="$(string.DisableRemoteRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableRemoteRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DisableRemoteRestore_2" class="Machine" displayName="$(string.DisableRemoteRestore)" explainText="$(string.DisableRemoteRestore_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="DisableRemoteRestore">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="windows:SUPPORTED_WindowsVista" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="HideBackupEntries_1" class="User" displayName="$(string.HideBackupEntries)" explainText="$(string.HideBackupEntries_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="HideBackupEntries">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="HideBackupEntries_2" class="Machine" displayName="$(string.HideBackupEntries)" explainText="$(string.HideBackupEntries_Help)" key="Software\Policies\Microsoft\PreviousVersions" valueName="HideBackupEntries">
      <parentCategory ref="PreviousVersions" />
      <supportedOn ref="SUPPORTED_Vista_through_Win7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
  </policies>
</policyDefinitions>

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