Component Object Model (COM) Error – ERROR_VIRTDISK_DISK_ALREADY_OWNED 0xC03A001E

In this post, you’ll learn about the error “ERROR_VIRTDISK_DISK_ALREADY_OWNED 0xC03A001E” 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 disk is already owned by a different owner.