Ubuntu 20.0.4 Autoinstall ISO not working on UEFI

My custom Ubuntu server 20.0.4 ISO does not "detect" my user-data file. It boots into the regular installation when booted on UEFI. If I boot the same ISO in legacy mode, the installation goes unattended and finishes successfully.

I have edited the following files:

• boot/grub/grub.cfg
• boot/grub/loopback.cfg
• isolinux/txt.cfg

Does anyone know what could possibly be missing?

5 Sorted by: Reset to default

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