Component Object Model (COM) Error – ERROR_VOLMGR_PLEX_NOT_SIMPLE 0xC0380040

In this post, you’ll learn about the error “ERROR_VOLMGR_PLEX_NOT_SIMPLE 0xC0380040” 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 operation is only supported on simple plexes.