In Windows 7, how do I disable IPv6 tunneling over IPv4?

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In Windows 7, to disable IPv6 tunneling over IPv4:

  1. From the Start menu, in the Start Search box, enter regedit, and then in the Programs list, click regedit.
  2. In Registry Editor, locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\
  3. Double-click DisabledComponents to modify the DisabledComponents entry.

    Note: If the DisabledComponents entry is unavailable, you must create it:

    1. In the Edit menu, point to New, and then click DWORD (32-bit) Value.
    2. Enter DisabledComponents, and then press Enter.
    3. Double-click DisabledComponents.
  4. Type any one of the following values to configure the IPv6 protocol, and then click OK:
    Value Action
    Enables all IPv6 components (0 is the default setting)
    Disables all IPv6 components, except the IPv6 loopback interface
    Makes Windows use IPv4 instead of IPv6 in prefix policies
    Disables native IPv6 interfaces
    Disables all tunnel IPv6 interfaces
    Disables all IPv6 interfaces except for the IPv6 loopback interface

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This is document baeg in the Knowledge Base.
Last modified on 2016-05-25 00:00:00.

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