Yes you read it right - 3.11. According to the msdn blog by John Coyne OEM licensing for 3.1 will no longer be allowed as of November 1st, 2008. If you are wondering who cares about a 15 years old OS then the windows embedded industry is apparently not happy. The longer life of some of the embedded devices and the difficulty/non necessity of upgrades make it a challenge for embracing new OS as often as in the Desktop systems. Unlike mobile phones embedded devices life does not end in a year or two. Now the question is how long the embedded industry will hold on to a way better windows XP embedded ? - Very interesting comments for the article at arstechnica.