Edit C:\Windows\PolicyDefinitions\RPC.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="rpc" namespace="Microsoft.Policies.RemoteProcedureCalls" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  <categories>
    <category name="Rpc" displayName="$(string.Rpc)">
      <parentCategory ref="windows:System" />
    </category>
  </categories>
  <policies>
    <policy name="RpcEnableAuthEpResolution" class="Machine" displayName="$(string.RpcEnableAuthEpResolution)" explainText="$(string.RpcEnableAuthEpResolution_Help)" key="Software\Policies\Microsoft\Windows NT\Rpc" valueName="EnableAuthEpResolution">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP2" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="RpcExtendedErrorInformation" class="Machine" displayName="$(string.RpcExtendedErrorInformation)" explainText="$(string.RpcExtendedErrorInformation_Help)" presentation="$(presentation.RpcExtendedErrorInformation)" key="Software\Policies\Microsoft\Windows NT\Rpc">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsXP" />
      <elements>
        <enum id="RpcExtendedErrorInformationList" valueName="ExtErrorInformation" required="true">
          <item displayName="$(string.RpcEEInfoOff)">
            <value>
              <decimal value="0" />
            </value>
          </item>
          <item displayName="$(string.RpcEEInfoOnWithExc)">
            <value>
              <decimal value="1" />
            </value>
          </item>
          <item displayName="$(string.RpcEEInfoOffWithExc)">
            <value>
              <decimal value="2" />
            </value>
          </item>
          <item displayName="$(string.RpcEEInfoOn)">
            <value>
              <decimal value="3" />
            </value>
          </item>
        </enum>
        <text id="RpcExtErrorExceptions" valueName="ExtErrorInfoExceptions" />
      </elements>
    </policy>
    <policy name="RpcIgnoreDelegationFailure" class="Machine" displayName="$(string.RpcIgnoreDelegationFailure)" explainText="$(string.RpcIgnoreDelegationFailure_Help)" presentation="$(presentation.RpcIgnoreDelegationFailure)" key="Software\Policies\Microsoft\Windows NT\Rpc">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsNET" />
      <elements>
        <enum id="RpcIgnoreDelegationFailureList" valueName="IgnoreDelegationFailure" required="true">
          <item displayName="$(string.RpcIDFOff)">
            <value>
              <decimal value="0" />
            </value>
          </item>
          <item displayName="$(string.RpcIDFOn)">
            <value>
              <decimal value="1" />
            </value>
          </item>
        </enum>
      </elements>
    </policy>
    <policy name="RpcMinimumHttpConnectionTimeout" class="Machine" displayName="$(string.RpcMinimumHttpConnectionTimeout)" explainText="$(string.RpcMinimumHttpConnectionTimeout_Help)" presentation="$(presentation.RpcMinimumHttpConnectionTimeout)" key="Software\Policies\Microsoft\Windows NT\Rpc">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP1" />
      <elements>
        <decimal id="RpcMinimumHttpConnectionTimeoutValue" valueName="MinimumConnectionTimeout" required="true" minValue="90" />
      </elements>
    </policy>
    <policy name="RpcRestrictRemoteClients" class="Machine" displayName="$(string.RpcRestrictRemoteClients)" explainText="$(string.RpcRestrictRemoteClients_Help)" presentation="$(presentation.RpcRestrictRemoteClients)" key="Software\Policies\Microsoft\Windows NT\Rpc">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsXPSP2" />
      <elements>
        <enum id="RpcRestrictRemoteClientsList" valueName="RestrictRemoteClients" required="true">
          <item displayName="$(string.RpcRestrictRemoteClientsNone)">
            <value>
              <decimal value="0" />
            </value>
          </item>
          <item displayName="$(string.RpcRestrictRemoteClientsAuth)">
            <value>
              <decimal value="1" />
            </value>
          </item>
          <item displayName="$(string.RpcRestrictRemoteClientsHigh)">
            <value>
              <decimal value="2" />
            </value>
          </item>
        </enum>
      </elements>
    </policy>
    <policy name="RpcStateInformation" class="Machine" displayName="$(string.RpcStateInformation)" explainText="$(string.RpcStateInformation_Help)" presentation="$(presentation.RpcStateInformation)" key="Software\Policies\Microsoft\Windows NT\Rpc">
      <parentCategory ref="Rpc" />
      <supportedOn ref="windows:SUPPORTED_WindowsXP" />
      <elements>
        <enum id="RpcStateInformationList" valueName="StateInformation" required="true">
          <item displayName="$(string.RpcStateInfoNone)">
            <value>
              <decimal value="0" />
            </value>
          </item>
          <item displayName="$(string.RpcStateInfoAuto1)">
            <value>
              <decimal value="1" />
            </value>
          </item>
          <item displayName="$(string.RpcStateInfoAuto2)">
            <value>
              <decimal value="2" />
            </value>
          </item>
          <item displayName="$(string.RpcStateInfoServer)">
            <value>
              <decimal value="3" />
            </value>
          </item>
          <item displayName="$(string.RpcStateInfoBoth)">
            <value>
              <decimal value="4" />
            </value>
          </item>
        </enum>
      </elements>
    </policy>
  </policies>
</policyDefinitions>

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