It was actually very easy for me to pull this off but it required a lot of patience!!!
hyper-v has issues running ubuntu 12.10 tho it runs like a dog.
and i'mma try to have a vm within that.... arrrg it's harder since it runs hard like a dog. seriously.... just loading firefox is slow as hell... ubuntu sucks on this vm....
fedora flat out won't install.. it will only run on a live cd, I install, then it weueueuws about a font missing, then loads the wallpaper then goes "uh oh" something happend and don't boot....
Here's a Linux vm within a linux vm