I have for weeks on and off been trying to get a long term solution to Hyper-V not being able to use the wireless connection on my laptop for virtual machines which can be a significant mobility limiter. On top of that I actually managed to cause W2K8...
If like me you installed the December CTP and chose an install language other than en-US and Hyper-V failed to start the sad news is you like me will have to scrap the install and redo leaving the language as US English and change the language and keyboard...