In this post, you’ll learn more about the Error ERROR_VOLMGR_PACK_HAS_QUORUM – 0xC0380034 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_PACK_HAS_QUORUM – 0xC0380034
Win32 COM Error Error Description
The specified pack already has a quorum of healthy disks.