Component Object Model (COM) Error – XACT_S_SINGLEPHASE 0x0004D009

In this post, you’ll learn about the error “XACT_S_SINGLEPHASE 0x0004D009” 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 resource manager has performed a single-phase commit of the transaction.