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IPV6 errors in Windows

Level 1
Partner Accredited

We have discovered that Windows 2003 server and Windows 2008 R2 have a bug that if your network addresses reside in the public range, such as 162, it will automatically enable IPV6.  If you go to regedit and go to local machine -->system -->current control set -->services -->TCPIP6 -->Perameters and set the following:  DisabledComponents  (32 bit reg DWORD)  set to 1 or all f (fffffffffffffff).  This will disable IPV6.