To disable all IPv6 components except the IPv6 loopback interface add to the Registry Key
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters\
an 0xFF DisabledComponents DWORD.
To Confirm that IPv6 is disabled everywhere but the loopback if.
C:\Windows\system32>reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic
es\Tcpip6\Parameters /v DisabledComponents
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters
DisabledComponents REG_DWORD 0xff
ipconfig /all
netsh interface ipv6 show neighbors
If you want to disabled just Teredo or just ISATAP you could use the following netsh commands.
Disable Teredo Tunneling
netsh interface teredo set state disabled
Disable ISATAP - RFC5214
C:\Windows\system32>netsh interface isatap set state disabled Ok.
Microsoft Help article and related wizards
windows 7 --disable-IPv6
