Hei!
My girlfriend us wp-mu for different class-blogs. But now, the pupils must register for the own class. But just for the one class. The problem is, if your register a new account, you can not determin witch blog you register. I found this one - maybe it helps.
http://mu.wordpress.org/forums/topic.php?id=5636&page&replies=2#038;page
But the link doesn´t work. Anyone a idea`
Thanks a lot!
M
