In this post, you’ll learn about the error “FVE_E_KEY_LENGTH_NOT_SUPPORTED_BY_EDRIVE 0x803100A7” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
FVE_E_KEY_LENGTH_NOT_SUPPORTED_BY_EDRIVE 0x803100A7
What is COM?
Microsoft’s COM stands for Component Object Model. Component Object Model (COM) is a networked, object-oriented framework for building interoperable binary software components. Microsoft’s OLE (compound documents), ActiveX (Internet-enabled components), and other products are built on the COM base technology.
Error Description
Below is the description of this COM Error.
The required authentication key length is not supported by the drive.