In this post, you’ll learn more about the Error ERROR_VIRTDISK_UNSUPPORTED_DISK_SECTOR_SIZE – 0xC03A001D that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VIRTDISK_UNSUPPORTED_DISK_SECTOR_SIZE – 0xC03A001D
Win32 COM Error Error Description
The sector size of the physical disk on which the virtual disk resides is not supported.