http://bugs.winehq.org/show_bug.cgi?id=31859
--- Comment #2 from Rosanne DiMesio dimesio@earthlink.net 2013-04-29 11:51:33 CDT --- I believe the ability to manage users was intentionally taken away after the AppDB and Bugzilla were hacked, because the vulnerability was in that very access. So I don't expect it will be given back.