It works for me.
From: Josh Perry <email@example.com>
Date: Saturday, April 26, 1997 6:47 PM
Subject: AddUser API's
Does anyone know WinNT API's to add a user to the NT user database? I am
trying to make a small program that will add a user to the NT user database
because our Mail program authenticates through that so that I can link it
to our online signup script and to emerald.