In this post, you’ll learn about the error “ERROR_VHD_DIFFERENCING_CHAIN_ERROR_IN_PARENT 0xC03A0019” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
ERROR_VHD_DIFFERENCING_CHAIN_ERROR_IN_PARENT 0xC03A0019
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 chain of virtual hard disks is inaccessible. There was an error opening a virtual hard disk further up the chain.