Strange log in Problem

Hey Guys I need some to test this on

First off here is the bug

Customer gets a site at and then pick to have his site at

SO his site will be

Here is the problem If he try to log in to he can not log in

SO here is the work around

IF he log in to first and then log in to it works.

I have been telling my customers do this but this needs to be looked at with Multi Domains

@WPMU Def my server and website is open to you guys for any testing that needs to be done