After upgrading routeros from 5RC5 to 5RC6 hotspot stop working url are not forwarding to login page when manual entered the ip address then login coming auto redirection not working when checked the router log its showing 400 and 503 errors screen shot attached.
Para que seas felñiz y tu hotspot ande nuevamente pues solo tiensq ue downgradar tu sistema
sube via ftp una version anterios (yo subi la 4.7) (que es ftp osea abre la ventana file del winbox y arrastra el combinate package ps)
-en new terminal escribe esto “system package downgrade” sin las comillas
-reboot al sistema y listo
Downgrade option allows you to downgrade the software via FTP without losing your license key or reinstalling the router.
Step-by-Step
Connect to the router using ftp client
Select the BINARY mode file transfer
Upload the software package files to the router
Check the information about the uploaded software packages using the /file print command
Execute command /system package downgrade. The router will downgrade and reboot.
After reboot, verify that the packages were installed correctly by issuing /system package print command
Command Description
downgrade - this command asks your confirmation and reboots the router. After reboot the software is downgraded (if all needed packages were uploaded to the router)
Example
To downgrade the RouterOS (assuming that all needed packages are already uploaded):
[admin@MikroTik] system package> downgrade
Router will be rebooted. Continue? [y/N]: y
system will reboot shortly