Quote Originally Posted by Vegan View Post
After some more testing it seems that Ubuntu does not like Hyper-V version 3 at the moment. Guess I will have to wait for the next DVD to be released and try again.

It keeps freezing at formatting / at 33% on the setup screens

It's a Hyper-V bug. Passing the numa=no kernel parameter to grub, and turning off NUMA in Hyper-V will allow it to work.