Edit C:\Windows\PolicyDefinitions\DeviceRedirection.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="devinst" namespace="Microsoft.Policies.DeviceRedirection" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <categories>
    <category name="DeviceRedirect_Category" displayName="$(string.DeviceRedirect_Category)">
      <parentCategory ref="windows:System" />
    </category>
    <category name="DeviceRedirect_Restrictions_Category" displayName="$(string.DeviceRedirect_Restrictions_Category)" explainText="$(string.DeviceRedirect_Restrictions_Help)">
      <parentCategory ref="DeviceRedirect_Category" />
    </category>
  </categories>
  <policies>
    <policy name="USBRedirect_Prevent" class="Machine" displayName="$(string.USBRedirect_Prevent)" explainText="$(string.USBRedirect_Prevent_Help)" key="Software\Policies\Microsoft\Windows\DeviceRedirect\Restrictions" valueName="AllowRedirect">
      <parentCategory ref="DeviceRedirect_Restrictions_Category" />
      <supportedOn ref="windows:SUPPORTED_Windows7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DeviceRedirect_IDS_Prevent" class="Machine" displayName="$(string.DeviceRedirect_IDS_Prevent)" explainText="$(string.DeviceRedirect_IDS_Prevent_Help)" presentation="$(presentation.DeviceRedirect_IDS_Prevent)" key="Software\Policies\Microsoft\Windows\DeviceRedirect\Restrictions" valueName="DenyDeviceIDs">
      <parentCategory ref="DeviceRedirect_Restrictions_Category" />
      <supportedOn ref="windows:SUPPORTED_Windows7" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
      <elements>
        <list id="Redirect_IDS_Deny_List" key="Software\Policies\Microsoft\Windows\DeviceRedirect\Restrictions\DenyDeviceIDs" valuePrefix="" />
      </elements>
    </policy>
  </policies>
</policyDefinitions>

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