WoW GM Hacking 2.4.2??

has any1 got the wow Gm hack to work??? u have to type in ur account name and PW and get GM, powers to ur account as seen on thiss video http://www.youtube.com/watch?v=qy4b-RVrKAY&feature=related ..... every1s comment says it works but i cant get it to work,,, can some1plsss help me?? when i try it say "server error"