In KVM, yes, not in Windows. I've never had good luck with Hyper-V's dynamic memory management, unless the OS was already completely installed (Windows' install

In KVM, yes, not in Windows. I've never had good luck with Hyper-V's dynamic memory management, unless the OS was already completely installed (Windows' installer would fail unless I dedicated the RAM. I remember it working better with Linux unless you needed to PXE boot).