In this post, you’ll learn more about the Error FVE_E_FAILED_AUTHENTICATION – 0x80310027 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
FVE_E_FAILED_AUTHENTICATION – 0x80310027
Win32 COM Error Error Description
The drive cannot be unlocked with the key provided. Confirm that you have provided the correct key and try again.