vibol

thz you for good info but as i know i just want a random username for s1**** s2**** because i just to be sure that i can know that the s1 come from server 1 and the s2 come frome server 2 this why i want to generated the username like this... but sorry yes maybe it not possible because not the easy way to do this at all. Many thz

They will register after that next step automatically, you can make a register form if they don't order, on the type just select client registration. You can make it so you have to manually check every order. That will mean it won't be processed until they've opened a ticket with you.

I've created a video for you since you can't understand us.   http://screencast.com/t/YmjRLZHV
 
I don't show you how to set up a server for cPanel because I don't have a spare and if I edit the one I have I will effect my customers.