Error "Windows Server Installation Failed" when trying to upgrade from Win10 to Win11 on BootCamp partition

Hi,

I have a MacBook Pro 2019 (MBP) where I have 2 partitions. One with windows 11 and one in APFS for MacOSX.

1. I started my MBP on windows 10.
2. I installed FlyOobe
3. I downloaded Win11 by using the recommended script
4. When Win11 install is launched, I choos to keep my data and applications
5. Everything seems going well up to a popup occurs saying "Windows Server installation failed"

I restarted several times this process by rebooting each time my MBP. Same result !

What can I do? Do we have log files that can help me to understand what happens?

Thank you for the support.