[ops][victoria] Windows Server 2012 R2 - Can't install - unbootable

All; We have a recently built Victoria cluster with storage provided by a Ceph Nautilus cluster. I'm working through the following tutorial: https://medium.com/@yooniks9/openstack-install-windows-server-2016-2019-with... When I get to step 4 under "Windows Server Installation," it says "Windows can't be installed on this drive." Details are: " Windows cannot be installed to this disk. This computer's hardware may not support booting to this disk. Ensure the disk's controller is enabled in the computer's BIOS menu. Any recommendations on what I'm missing here would be appreciated. Thank you, Dominic L. Hilsbos, MBA Director - Information Technology Perform Air International Inc. DHilsbos@PerformAir.com www.PerformAir.com