In this post, you’ll learn more about the Error ERROR_VOLMGR_DISK_LAYOUT_TOO_MANY_PARTITIONS – 0xC0380010 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_DISK_LAYOUT_TOO_MANY_PARTITIONS – 0xC0380010
Win32 COM Error Error Description
The disk layout contains more than the maximum number of supported partitions.