In this post, you’ll learn more about the Error ERROR_VOLMGR_EXTENT_OVERLAPS_EBR_PARTITION – 0xC038001E that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_EXTENT_OVERLAPS_EBR_PARTITION – 0xC038001E
Win32 COM Error Error Description
The specified parition overlaps an EBR (the first track of an extended partition on a MBR disks).