Whilst it's possible to get Debian, and by proxy Ubuntu, running under Hyper-V it's nice to see that Microsoft are potentiallygoing to officially support them along side CentOS, Red Hat and SuSE. As someone who is running Debian and Ubuntu under Hyper-V I would heartily welcome this official support. Sadly I suspect that if Gupta really does represent Microsoft's view, then the odds of getting on the official list is probably going to be quite low; "Gupta says Microsoft is drawing the line at ‘touching’ the Linux code.