I got ahold of support and they couldn't give me a reason why it was failing. We did find that if I created a new cluster on the Hyper-V guest and just restore the configuration for the vsz itself and not the cluster it seems to work fine. Just as a ...
I just attempted this blindly, I created a Hyper-V VM with a VHD of the same firmware version as my existing ESX VM. I backed up the ESX VM and then imported the backup to my Hyper-V VM but it seems to be putting it in a Crash Mode. I put in a ticket...