Edit C:\Windows\PolicyDefinitions\Snis.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="snis" namespace="Microsoft.Policies.SNIS" />
    <using prefix="windows" namespace="Microsoft.Policies.Windows" />
    <using prefix="server" namespace="Microsoft.Policies.Server" />
  </policyNamespaces>
  <resources minRequiredRevision="1.0" />
  
  <categories>
    <category name="Snis" displayName="$(string.Snis)">
      <parentCategory ref="windows:WindowsComponents" />
    </category>
  </categories>
  
  <policies>
    <policy name="Snis_LoggingLevel" class="Machine" displayName="$(string.Snis_LoggingLevel)" explainText="$(string.Snis_LoggingLevel_Help)" key="Software\Policies\Microsoft\Windows\Server for NIS" valueName="LoggingLevel">
      <parentCategory ref="Snis" />
      <supportedOn ref="server:SUPPORTED_WindowsServer2008" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
    <policy name="Snis_PushInterval" class="Machine" displayName="$(string.Snis_PushInterval)" explainText="$(string.Snis_PushInterval_Help)" presentation="$(presentation.Snis_PushInterval)" key="Software\Policies\Microsoft\Windows\Server for NIS" valueName="PushInterval_state">
      <parentCategory ref="Snis" />
      <supportedOn ref="server:SUPPORTED_WindowsServer2008" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
      <elements>
        <decimal id="Snis_PushInterval" valueName="PushInterval" required="true" minValue="1" maxValue="143999999" />
      </elements>
    </policy>
  </policies>
</policyDefinitions>

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