Sunday, June 28, 2015

Disable IPv6 on WIndows

https://support.microsoft.com/en-us/kb/929852
http://www.thewindowsclub.com/disable-ipv6-5-second-boot-delay
http://blogs.technet.com/b/askpfeplat/archive/2014/09/15/a-5-second-boot-optimization-if-you-ve-disabled-ipv6-on-windows-client-and-server-by-setting-disabledcomponents-to-0xffffffff.aspx

You can disable IPv6 per interface by clearing the TCP/IPv6 checkbox in each adapter's Ethernet Properties under "This connection uses the following items:", but if you truly have no need for IPv6, you can use the following registry enrty to affect a more permanent change.  Reboot required.

From the command line, running as administrator:
REG ADD HKLM\SYSTEM\CurrentControlSet\Services\Tcpip6\Parameters /v DisabledComponents /t REG_DWORD /d 0xff

Regedit file
REGEDIT4
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TCPIP6\Parameters]
"DisabledComponents"=dword:000000ff

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