Forum Discussion
Windows on exFAT has some bugs
As shown in the screenshot attachment, when using the exFAT file system as the system volume to run the latest version of Windows 11 Build 27686, the following bugs exist: 1. When the Shim Dat...
Microsoft doesn't support installing and booting Windows from exFAT volume. Please note that NTFS volume is supported for installing windows and booting from it. exFAT doesn't contain certain features needed to support installing and booting Windows. So we encourage to use NTFS as boot volume and if you experience other issues you mentioned then we can help.
PaddyA320
In fact, Microsoft has added the bootable exFAT feature as early as 2010, and the first system version that supported exFAT boot was Windows 8 Milestone 1 Build 7779.
6.1.7779 exFAT boot.jpg
This is a hidden feature that few people know about, just like there are many undocumented APIs inside Windows, but Microsoft has not officially announced the implementation of such features.
Similarly, the bootable ReFS feature was added as early as 2020, and the first system version that supported ReFS boot was Windows 10 Iron Dev Build 20185.
10.0.20185 ReFS boot.jpg
In addition, I am also the first person to research exFAT and ReFS boot Windows and publish installation tutorials. You don't have to question that these are facts.