Do not create an ISO larger than 4.8GB if you plan to burn to a single-layer DVD. Use format instead of ISO 9660:
Users of Acronis Cyber Protect Home Office or ATI 2021 can use the "Convert to Virtual Disk" tool to transform a .tibx file into a .vhdx file.
You must extract the contents of the TIBX backup and author a new bootable ISO.
Open a terminal (as admin) and run: