Unable to start Zabbix Server

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Hi, I am using Zabbix 3.2.1 Source tar file for RHEL 7 running on AWS instance. I have installed php, mysql (mariaDB) and httpd on server. But unable to start the zabbix server with the below error:

7219:20161114:072713.016 [Z3001] connection to database 'zabbixdb' failed: [1045] Access denied for user 'zabbixusr'@'localhost' (using password: YES)
7219:20161114:072713.017 cannot set MySQL character set to "utf8"
7219:20161114:072713.017 database is down: reconnecting in 10 seconds


I am able to login to zabbbixdb databse with zabbixusr user manually and also, I have tried it with new schema create but still not working.
Can somone please help !!!

[Atsushi]

Please check the setting of the connection information to the database
in the Zabbix server configuration file.

ie. /etc/zabbix/zabbix_server.conf

DBName=zabbixdb
DBUser=zabbixusr
DBPassword=password