We are trying to upgrade desktops (HP 800 G3 and G4) from Windows 1803 to 1909. Upgraded BIOS to latest version and EPS (FDE and MEPP blades) to E84.00 prior to upgrading. Using SCCM to do the upgrade. Task Sequence sets FDEControl to BCDboot before upgrading and follows the steps in sk120667. Most of the machines upgraded fine, but a number of the ones we did so far (68 successful, 17 fail) have failed with a BSOD 0xc000000f.
The only way to fix the BSOD is to go to boot menu (F9) and select UEFI - Check Point Full Disk Encryption, which then rolls back the upgrade and puts the desktop back to 1803. Any one have any ideas?
Edit- there is nothing different about the machines that fail as far as I can tell. All purchased at the same time, imaged the same way.