Also, most people need help sooner or later, and they can't call IT for help with a system like this. Either they remember all the needed information or they do

Also, most people need help sooner or later, and they can't call IT for help with a system like this. Either they remember all the needed information or they don't. As a work flow nit-pick, what if the password requirements change? You need to remember the original settings to generate your password, but if the site now says "must include numbers" when it didn't before...