Component Object Model (COM) Error – TPM_E_EMBEDDED_COMMAND_UNSUPPORTED 0x80280404

In this post, you’ll learn about the error “TPM_E_EMBEDDED_COMMAND_UNSUPPORTED 0x80280404” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message


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 command within the transport is not supported.