GPO to Disable IP6 on Vista and 2008

Quick ADMX GPO policy to disable IP6 on your network according to MS KB 929852

IP6_disable.admx
<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://www.microsoft.com/GroupPolicy/PolicyDefinitions" ><!--Created using ADM Template Editor V4.1.9--><br /> <!--Created on 09 Sep 2009 17:26:51--><br /> <!--ADM Template Editor is marketed by Syspro. Visit us at www.sysprosoft.com--></p> <policyNamespaces > <target prefix="IP6_Disable" namespace="Sysprosoft.ADM_Editor.IP6_Disable" /><br /> <using prefix="windows" namespace="Microsoft.Policies.Windows" /> </policyNamespaces> <resources minRequiredRevision="1.0" fallbackCulture="en-us" /><br /> <supportedOn ><br /> <definitions ><br /> <definition name="SupportedOn_5" displayName="$(string.String_SupportedOn_Undefined_6)" /><br /> </definitions><br /> </supportedOn> <policies ><!--Storage for Policy Definitions--></p> <policy name="Policy_Settings_12" class="Machine" displayName="$(string.String_Policy_Settings_13)" explainText="$(string.String_Explain_14)" key="SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" presentation="$(presentation.Policy_Settings_12)" > <parentCategory ref="windows:Network" /> <supportedOn ref="SupportedOn_5" /><br /> <elements ><br /> <enum id="Policy_DropList_Element_Settings_15" valueName="DisabledComponents" key="SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters" ><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_New_Selection_16)" ><br /> <value ><br /> <decimal value="0" /><br /> </value><br /> </item><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_0xFFFFFFFF_17)" ><br /> <value ><br /> <decimal value="4294967295" /><br /> </value><br /> </item><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_0x20_18)" ><br /> <value ><br /> <decimal value="32" /><br /> </value><br /> </item><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_0x10_19)" ><br /> <value ><br /> <decimal value="16" /><br /> </value><br /> </item><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_0x01_20)" ><br /> <value ><br /> <decimal value="1" /><br /> </value><br /> </item><br /> <item displayName="$(string.String_Policy_DropList_Select_Settings_0x11_21)" ><br /> <value ><br /> <decimal value="17" /><br /> </value><br /> </item><br /> </enum><br /> </elements> </policy> </policies> </policyDefinitions> <p>
IP6_disable.adml
<policyDefinitionResources 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://www.microsoft.com/GroupPolicy/PolicyDefinitions" ><!--Created using ADM Template Editor V4.1.9--><br /> <!--Created on 09 Sep 2009 17:26:51--><br /> <!--ADM Template Editor is marketed by Syspro. Visit us at www.sysprosoft.com--></p> <p> <displayName >Enter Description here</displayName><br /> <description >Enter Description here</description><br /> <resources ><br /> <stringTable ><!--Storage for String Definitions--></p> <p> <string id="String_SupportedOn_Undefined_6" >Undefined</string><br /> <string id="String_Policy_Settings_13" >Disable TCPIP6</string><br /> <string id="String_Explain_14" >1. Type 0 to enable all IPv6 components.<br /> Note The value "0" is the default setting.<br /> 2. Type 0xffffffff to disable all IPv6 components, except the IPv6 loopback interface. This value also configures Windows Vista to use Internet Protocol version 4 (IPv4) instead of IPv6 in prefix policies.<br /> 3. Type 0x20 to use IPv4 instead of IPv6 in prefix policies.<br /> 4. Type 0x10 to disable native IPv6 interfaces.<br /> 5. Type 0x01 to disable all tunnel IPv6 interfaces.<br /> 6. Type 0x11 to disable all IPv6 interfaces except for the IPv6 loopback interface. </p> <p>http://support.microsoft.com/kb/929852</string><br /> <string id="String_Policy_DropList_Select_Settings_New_Selection_16" >0x0</string><br /> <string id="String_Policy_DropList_Select_Settings_0xFFFFFFFF_17" >0xFFFFFFFF</string><br /> <string id="String_Policy_DropList_Select_Settings_0x20_18" >0x20</string><br /> <string id="String_Policy_DropList_Select_Settings_0x10_19" >0x10</string><br /> <string id="String_Policy_DropList_Select_Settings_0x01_20" >0x01</string><br /> <string id="String_Policy_DropList_Select_Settings_0x11_21" >0x11</string><br /> </stringTable> <presentationTable ><!--Storage for Presentation Definitions--></p> <presentation id="Policy_Settings_12" > <dropdownList refId="Policy_DropList_Element_Settings_15" >DisabledComponents</dropdownList> </presentation> </presentationTable> </resources> </policyDefinitionResources> <p>