How to disable IPv6 stack on Windows Server 2008 core

Unlike Windows XP and Windows Server 2003, IPv6 in Windows Vista and Windows Server 2008 cannot be uninstalled. However, you can disable IPv6 in Windows Vista and Windows Server 2008 by doing one of the following:

Windows Server Core:

1. Export the registry key

reg export hklm\system\currentcontrolset\services\tcpip6\parameters c:\regipv6.txt

2. Add the following key under parameters using the command mentioned below

reg add hklm\system\currentcontrolset\services\tcpip6\parameters /v DisabledComponents /t REG_DWORD /d 255

Windows Server Full installation:

1. In the Network Connections folder, obtain properties on all of your connections and adapters and clear the check box next to the Internet Protocol version 6 (TCP/IPv6) component in the list under “This connection uses the following items”.

This method disables IPv6 on your LAN interfaces and connections, but does not disable IPv6 on tunnel interfaces or the IPv6 loopback interface.

2. Add the following registry value (DWORD type) set to 0xFF:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\DisabledComponents

This method disables IPv6 on all your LAN interfaces, connections, and tunnel interfaces but does not disable the IPv6 loopback interface. You must restart the computer for this registry value to take effect.

If you disable IPv6, you will not be able to use Windows Meeting Space or any application that relies on the Windows Peer-to-Peer Networking platform or the Teredo transition technology.

Please do have a look at the article http://www.microsoft.com/technet/network/ipv6/ipv6faq.mspx before making any changes to the system to know about the effects on the system.

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Tags: Windows Server 2008

Published Date: 20080403

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