This is the error I'm getting:
Due to an internal error your request cannot be processed. We apologize for the inconvenience. Please try again later.
If you are attempting to reactivate your account, we're sorry but your request cannot be processed at this time.
Please do the following:
Close all web browser windows.
Restart your web browser.
Return to http://www.hotmail.com to sign in.
*EDIT* It appears to be working now, how strange.