Edit C:\Windows\PolicyDefinitions\DCOM.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="dcom" namespace="Microsoft.Policies.DECOM" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <categories>
    <category name="DCOM" displayName="$(string.DCOM)">
      <parentCategory ref="windows:System" />
    </category>
    <category name="DCOMAppCompatPolicies" displayName="$(string.DCOMAppCompatPolicies)">
      <parentCategory ref="DCOM" />
    </category>
  </categories>
  <policies>
    <policy name="DCOMActivationSecurityCheckAllowLocalList" class="Machine" displayName="$(string.DCOMActivationSecurityCheckAllowLocalList)" explainText="$(string.DCOMActivationSecurityCheckAllowLocalList_Explain)" key="Software\Policies\Microsoft\Windows NT\DCOM\AppCompat" valueName="AllowLocalActivationSecurityCheckExemptionList">
      <parentCategory ref="DCOMAppCompatPolicies" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP2" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="DCOMActivationSecurityCheckExemptionList" class="Machine" displayName="$(string.DCOMActivationSecurityCheckExemptionList)" explainText="$(string.DCOMActivationSecurityCheckExemptionList_Explain)" presentation="$(presentation.DCOMActivationSecurityCheckExemptionList)" key="Software\Policies\Microsoft\Windows NT\DCOM\AppCompat" valueName="ListBox_Support_ActivationSecurityCheckExemptionList">
      <parentCategory ref="DCOMAppCompatPolicies" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP2" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
      <elements>
        <list id="DCOM_Lbl_ActSecCheckExemptionList" key="Software\Policies\Microsoft\Windows NT\DCOM\AppCompat\ActivationSecurityCheckExemptionList" additive="true" explicitValue="true" />
      </elements>
    </policy>
  </policies>
</policyDefinitions>

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