Component Object Model (COM) Error – TPM_E_PCP_TICKET_MISSING 0x80290420

In this post, you’ll learn about the error “TPM_E_PCP_TICKET_MISSING 0x80290420” 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.

A ticket required to use a key was not provided.