In this post, you’ll learn about the error “CRYPT_E_UNEXPECTED_MSG_TYPE 0x8009200A” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
CRYPT_E_UNEXPECTED_MSG_TYPE 0x8009200A
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 certificate does not have a property that references a private key.