Component Object Model (COM) Error – XACT_E_TIP_PROTOCOL_ERROR 0x8004D020

In this post, you’ll learn about the error “XACT_E_TIP_PROTOCOL_ERROR 0x8004D020” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

XACT_E_TIP_PROTOCOL_ERROR 0x8004D020

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.

This transaction manager encountered a protocol error with another TIP transaction manager.