Installing Windows on KVM


How to install Windows

virt-install -n iis1 -r 1048 --disk path=/var/kvm/images/iis1.img,bus=virtio,cache=none,sparse=false,size=20,format=raw --vcpus=1 --os-type windows --os-variant=win2k8 --hvm --vnc --network network=default,model=virtio -c /var/kvm/en_windows_server_2012_x64.iso --noautoconsole

Switching CD-roms for drivers

Since we are using VIRTIO you will need to switch CD-rom during the installation phase

virsh attach-disk iis1 /var/kvm/virtio-win-0.1-52.iso hdc --driver qemu --type cdrom --mode readonly

You can switch back by (and continue installation):

virsh attach-disk iis1 /var/kvm/en_windows_server_2012_x64.iso hdc --driver qemu --type cdrom --mode readonly

Be aware that you have to mark the drive in the installer in order to enable the "Next" button.


Lower CPU usage

Consider removing this from the configuration. It seems to generate many context switches.

<input type='tablet' bus='usb'/>

To edit you enter

$ virsh edit iis1

$ virsh start iis1



Making a clone
When you are done, you can make copies by

virt-clone --original iis1 --name iis3 --file /var/kvm/images/iis3.img

Optionally you can also add a mac-adress

--mac 52:54:00:34:11:57

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