WordPress MU

Hello,

I have an user who has successfully register, but can't login.
Even when I ask a new password, it doesn't work.

Is it because there is caps in his id ???

IndseClubInfo

What can I do to help him ?

http://mu.wordpress.org/forums/topic.php?id=6217&page&replies=13

it could have been found only a few lines down the main forum index, without even using the search...