[OpenSER-Users] Can't start usrloc using mysql connection (mysql:db_mysql_new_connection: driver error: Can't connect to MySQL server on ...)

Hi I have the following error in connection with MySQL when I enable usrloc to use the DB (db_mode=1): [...] Apr 17 14:05:48 [32444] DBG:mysql:db_mysql_init: connection 'mysql:// openser:openserrw@192.168.1.4/openser' not found in pool Apr 17 14:05:48 [32444] DBG:mysql:db_mysql_new_connection: opening connection: mysql://xxxx:xxxx@192.168.1.4/openser Apr 17 14:05:48 [32444] ERROR:mysql:db_mysql_new_connection: driver error: Can't connect to MySQL server on '192.168.1.4' (111) Apr 17 14:05:48 [32444] ERROR:usrloc:register_udomain: failed to open database connection Apr 17 14:05:48 [32444] ERROR:registrar:domain_fixup: failed to register domain Apr 17 14:05:48 [32444] ERROR:core:fix_actions: fixing failed (code=-1) at cfg line 323 [...] My configuration file is: loadmodule "mysql.so" loadmodule "sl.so" loadmodule "tm.so" loadmodule "rr.so" loadmodule "maxfwd.so" loadmodule "usrloc.so" [...] # ----- usrloc params ----- modparam("usrloc", "db_mode", 1) modparam("usrloc", "db_url", "mysql://openser:openserrw@192.168.1.4/openser ") I see that mysql server is started and I've managed at installation to create the openser DB (using openserdbctl create). Could you help me doing the troubleshooting of this ? What else should I verify ? Regards, Pascal