Edit C:\Windows\PolicyDefinitions\NAPXPQec.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="nap" namespace="Microsoft.Policies.NAP" />
      <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <categories>
    <category name="NAP_Category" displayName="$(string.NAP_Category)">
      <parentCategory ref="windows:WindowsComponents" />
    </category>
  </categories>
  <policies>
    <policy name="NAP_XP_1x_QEC_1" class="Machine" displayName="$(string.NAP_XP_1x_QEC)" explainText="$(string.NAP_XP_1x_Help)" key="SOFTWARE\Policies\Microsoft\NetworkAccessProtection\ClientConfig\Qecs\79620" valueName="Enabled">
      <parentCategory ref="NAP_Category" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP2" />
        <enabledValue>
            <decimal value="1" />
        </enabledValue>
        <disabledValue>
            <decimal value="0" />
        </disabledValue>
    </policy>
   </policies>
</policyDefinitions>

Ms-Dos/Windows Unix Write backup

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