In this post, you’ll learn more about the Error FVE_E_EDRIVE_DISALLOWED_BY_GP – 0x803100B1 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_EDRIVE_DISALLOWED_BY_GP – 0x803100B1
Win32 COM Error Error Description
Group Policy settings do not allow the use of hardware-based encryption.