In this post, you’ll learn more about the Error FVE_E_VOLUME_BOUND_ALREADY – 0x8031001F that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_VOLUME_BOUND_ALREADY – 0x8031001F
Win32 COM Error Error Description
The drive specified is already configured to be automatically unlocked on the current computer.