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Magento DB access denied

I got this error suddenly while accessing the magento site.

SQLSTATE[HY000] [1129] Host 'user.workgroup' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts'

Solution

use below command in console

mysqladmin flush-hosts


or log in to  mysql with a different host if its implemented on network environment and use below statement;

FLUSH HOSTS;



Or


Restart the mysql server


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