A little while ago I wrote about how impressed I was with boot from VHD in Windows 7. This morning I was trying to convince Mike that using this technique with a base Windows 7 VHD and differencing disks would be a great way to get VS2010 Beta1 and Beta2 (when it arrives) installed on his machine.
He wanted to know if he could just create a VHD from his existing install ie snapshot his native Windows 7 installation to VHD. That had me foxed although we talked about whether or not Windows Backup might be a possibility.
Then, as if by magic, I came across Disk2vhd which does exactly that – “create virtual hard disks copies of the physical disks that are attached … Another potential use is to allow you to move a physical installation of Windows 7 to a “boot from VHD” configuration.” Bingo!