Well it turns out that microsoft France has been defaced, here's the link to the current defacement, live at the moment.
http://experts.microsoft.fr
It was defaced by a bunch of Turkish hackers and looking at their track record on Zone-H, it seems that they've been defacing quite a few Windows 2003 servers today, and rather recently. So is this is a poor configuraton issue, or a new zero day?
Zone-H have a mirror up about it here:
You have junk mail.