On Tue, 30 Nov 2021 at 01:11, Gaël THEROND <gael.therond at bitswalk.com> wrote: > > Starting from an unaltered Microsoft originated ISO image is a mandatory requirement for this project (Because of security constraints that I can’t have any impact on). > Does that mean you cannot alter the original image? There are methods for inserting the virtio drivers into the installation media, but that will require generating a new installer ISO out of the modified files. This article seems to be describing the procedure correctly: https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000bt28CAA