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One of the niggling points of getting ready for IP6 is that on some Windows 7 installations (but not all) the local loopback address gets returned as :::1 instead of 

The :::1 is a valid IP6 address and can be returned even if still using IP4 addressing. The fix for it involves editing the hosts file. On a Windows 7 box this is located in two places but the one to edit is the one in C:\Windows\System32\drivers\etc

To edit this file you need to run Notepad as an administrator. The easiest way to do this, I found was to use the option 2 technique at

Posted on Wednesday, May 25, 2011 7:46 PM | Back to top

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