Component Object Model (COM) Error – ERROR_VOLMGR_PLEX_INDEX_INVALID 0xC038003A

In this post, you’ll learn about the error “ERROR_VOLMGR_PLEX_INDEX_INVALID 0xC038003A” 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 specified plex index is greater or equal than the number of plexes in the volume.