Once I had built my Hyper-V Server I still had a few to resolve. I thought I had better document the solutions I found to my 3 disk related problems from this entry . So the 3 issues covered are: How to get an existing disk to be available inside Hyper-V How to install RAID Management tools How to shrink a non-Dynamic VHD How to get an existing disk to be available inside Hyper-V (called a pass-through disk) Just to give you some background, I was moving a non-VM OS inside a Hyper-V system. I had created the VM, but I could not get it to just “boot” from the old boot disk – the disk was not showing. I’d read that this type of disk was a pass-through (or pass-thru) disk, but I could not find out how to configure it easily. The solution turned out to be very simple. Run DISKPART on the Hyper-V server, identify the disk and mark it offline. It would then appear in the list of disks that could be installed. What is more, if I ran out of disks I could install a SCSI controller...