:boot_uefi kernel wimboot # Note: For UEFI, we often need the .efi variant path logic handled by wimboot initrd bootmgr.efi bootmgr.efi initrd boot/bcd bcd initrd boot/boot.sdi boot.sdi initrd sources/boot.wim boot.wim boot
Windows UEFI booting strictly requires the Boot Manager to be signed and Secure Boot to be handled. Standard wimboot generally requires Secure Boot to be disabled unless you utilize a signed shim chain. wimboot