connection to database 'zabbix' failed: [2002] Can't connect to MySQL server (115)

[mingfai]

Configured these in each node zabbix_server.conf
Master Server IP x.x.x.157
NodeAddress=x.x.x.157:10051
HANodeName=zbx-node1
DBName=zabbix

mysql> create user [email protected] identified by 'zabbix';
mysql> grant all privileges on zabbix.* to [email protected];


Slave Server IP x.x.x.158
DBHost=10.1.252.157
DBName=zabbix
DBUser=zabbix2
DBPassword=zabbix
NodeAddress=x.x.x.158:10051
HANodeName=zbx-node12

but as i check in slave server

[mingfai]

And i was tryinh to implement HA but the slave server not able to connect master's server database. Please helpppp