Advapi32.dll is an advanced Windows 32 base API DLL file that provides access to functions beyond the kernel. This API services library supports security and registry calls. Also included are things like shutdown/restart the system (or abort), start/stop/create a Windows service, and manage user accounts.
Relationship with Wine
Advapi32.dll is partially synced with Wine.
However, information that has been documented by Wine is of interest to us: