Component Object Model (COM) Error – ERROR_VIRTDISK_UNSUPPORTED_DISK_SECTOR_SIZE 0xC03A001D

In this post, you’ll learn about the error “ERROR_VIRTDISK_UNSUPPORTED_DISK_SECTOR_SIZE 0xC03A001D” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

ERROR_VIRTDISK_UNSUPPORTED_DISK_SECTOR_SIZE 0xC03A001D

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 sector size of the physical disk on which the virtual disk resides is not supported.

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