In this post, you’ll learn more about the Error ERROR_VOLMGR_DIFFERENT_SECTOR_SIZE – 0xC038004E that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_DIFFERENT_SECTOR_SIZE – 0xC038004E
Win32 COM Error Error Description
All disks participating to the volume must have the same sector size.