Migrate Hyper-V Machine to Proxmox KVM

hello community :)

i have a windows 2008 r2 server running on hyper-v 2008 and want to migrate the server to kvm ... i used the following commands for this:

qemu-img convert -f vpc -O qcow2 /mnt/windows2008.VHD /var/lib/vz/images/107/vm-107-disk-1.qcow2

or

qemu-img convert -O qcow2 /mnt/windows2008.VHD /var/lib/vz/images/107/vm-107-disk-1.qcow2


the command was done and i started the virtual machine with an ide controller.... the problem is, that the machine dont start and stuck in a bluescreen... can someone help me please?

greetings tobi