Dear All,
i have to face frequently problem in hotspot. one user have bought 24 hours coupon and log in hotspot and used the internet within 10 minutes after 1 hour he try to connected to hotspot but he get error message "u r already log in or the user user name or password is wrong.how can i solved ?
Its called Bypass Mikrotik Hotspot. 
by using some hack tricks
sorry…used clean and clear.