http://bugs.winehq.org/show_bug.cgi?id=28242
--- Comment #2 from Dmitry Timoshkov dmitry@baikal.ru 2011-09-01 21:02:27 CDT --- (In reply to comment #1)
so perhaps native netapi32.dll would help (I only have a 64-bit windows installation available).
64-bit Windows have full set of 32-bit DLLs.