VXDIAG Benz 2024.03 Xentry No Access Authorization Code Solution


One of our customers had a problem running Xentry 2024.03 for VXDIAG VCX SE Benz scanner.

When running xentry software, it said ‘No Access Authorization Code’.

Update firmware, reinstall C6 driver, run FIX recovery on desktop, all no luck.

Vxdiag Benz No Access Authorization Code 1

Vxdiag Benz No Access Authorization Code 2


If had ‘No Access Authorization Code’ error, needs to disable security boot in BIOS setting.


How to disable Secure Boot in BIOS?

Follow the steps below: Boot and press [F2] to enter BIOS. Go to [Security] tab > [Default Secure boot on] and set as [Disabled]. Go to [Save & Exit] tab > [Save Changes] and select [Yes].