In this post, you’ll learn more about the Error ERROR_VOLMGR_MEMBER_NOT_DETACHED – 0xC0380027 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_VOLMGR_MEMBER_NOT_DETACHED – 0xC0380027
Win32 COM Error Error Description
The specified member is not detached. Cannot replace a member which is not detached.