Description of problem:
libvirt (and QEMU) provides additional support and better compatibility for windows guest, and VDSM hasn't catched up yet.
Version-Release number of selected component (if applicable):
VDSM >= 4.16.0
consider bug 1091818
*** This bug has been marked as a duplicate of bug 1083529 ***
*** Bug 1225296 has been marked as a duplicate of this bug. ***