KB3156: MBR disk restore to UEFI system ... - Veeam Software
https://www.veeam.com/kb315627.04.2020 · Start the Bare Metal Recovery process, note that you will still see the "OS disk in backup uses MBR disk" warning during the restore process. On the "Restore Mode" tab choose [Manual restore (advanced)]. Do not restore the system partition and do not delete the partitions created at the previous step. You may have to manualy configure the disk ...