policyDefinitions Element

Articolo
07/02/2012

Applies To: Windows Server 2008

The policyDefinitions element is the document element for an .admx file that defines a set of registry-policy settings. The policyDefinitions element also declares a default namespace for all of the elements in the .admx file.

Syntax

<policyDefinitions xmlns:xsd="https://www.w3.org/2001/XMLSchema" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" revision="<MajorVerison.MinorVersion>" schemaVersion="<MajorVerison.MinorVersion>" xmlns=" https://schemas.microsoft.com/GroupPolicy/2006/07/PolicyDefinitions" >
  <policyNamespaces> … </policyNamespaces>
  <supersededAdm> … </supersededAdm>
  <resources> … </resources>
  <supportedOn> … </supportedOn>
  <categories> … </categories>
  <policies> … </policies>
</policyDefinitions>

Attributes

Attributes	Required	Description
xmlns Attribute	No	`xmlns:xsd ="https://www.w3.org/2001/XMLSchema"` Designation for elements and data types used in the schema that comes from the "https://www.w3.org/2001/XMLSchema" namespace. This attribute is typed as shown.
xmlns Attribute	No	`xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance"` Designation for the XML Schema Instance namespace available is from the "https://www.w3.org/2001/XMLSchema-instance" namespace. This attribute is typed as shown.
revision Attribute	Yes	`revision="<MajorVerison.MinorVersion>"` Version of the .admx file for tracking purposes.
schemaVersion Attribute	Yes	`schemaVersion="<MajorVerison.MinorVersion>"` Schema version used by the Group Policy tools. For Windows Vista and Windows Server 2008 schemaVersion must be set as follows; schemaVersion="1.0"
xmlns Attribute	No	The Group Policy schema namespace.

Note

The Group Policy tools will successfully consume the .admx file that does not include the xmlns:xsd, xmlns:xsi, and xmlns attributes. The .admx file may not validate as a fully-formed XML file if the xmlns:xsd, xmlns:xsi, and xmlns attributes are not included in the .admx file.

Child elements

Element	Required	Description
policyNamespaces Element	Yes	Contains mappings of .admx files to unique namespaces.
supersededAdm Element	No	Reference to the file name for an .adm file. The Group Policy Management Console (GPMC) or the Local Group Policy Editor will not read any .adm file designated as superseded.
resources Element (.admx)	Yes	Contains the required minimum revision of the .adml file.
supportedOn Element	No	Mapping of products and definitions.
categories Element	No	Contains a list of categories under which Group Policy settings will be displayed in the Local Group Policy Editor and the GPMC.
policies Element	No	Contains a list of policy setting definitions.

Note

For simplicity of documentation, nested elements located one level down, known as child elements, will only be described for a given element.

Remarks

Because the policyDefinitions element is the document element, it contains all the other elements in the document representing the .admx file. The XML declaration is not part of the document element.

Examples

This XML fragment is an example of a single policy setting to configure a registry-based value with numeric values for the enabled and disabled policy states. If the policy setting state is changed from a defined state to the not configured policy state, the existing registry value will be deleted when Group Policy is processed.

<policyDefinitions xmlns:xsd="https://www.w3.org/2001/XMLSchema" xmlns:xsi="https://www.w3.org/2001/XMLSchema-instance" revision="0.9" schemaVersion="1.0" xmlns="https://www.microsoft.com/GroupPolicy/PolicyDefinitions">
  <policyNamespaces>
    <target prefix="example1_singlepolicysetting" namespace="Microsoft.Policies.Example1_singlepolicysetting" />
  </policyNamespaces>
  <supersededAdm fileName="example1_singlepolicysetting.adm" />
  <resources minRequiredRevision="0.9" />
  <supportedOn>
    <definitions>
      <definition name="SUPPORTED_ProductOnly" 
               displayName="$(string.SUPPORTED_ProductOnly)"/>
    </definitions>
  </supportedOn>
  <categories>
    <category name="SAMPLE" displayName="$(string.SAMPLE)"
                        explainText="$(string.SAMPLEHELP)" />
  </categories>
  <policies>
    <policy name="Sample_NoParamPolicy" class="Both" displayName="$(string.Sample_NoParamPolicy)" explainText="$(string.Sample_NoParamPolicy_Help)" key="Software\Policies\Examples" valueName="Example1NoParam">
      <parentCategory ref="SAMPLE" />
      <supportedOn ref="SUPPORTED_ProductOnly" />
      <enabledValue>
        <decimal value="1" />
      </enabledValue>
      <disabledValue>
        <decimal value="0" />
      </disabledValue>
    </policy>
  </policies>
</policyDefinitions>

Additional references

XML declaration

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