连接错误（2003）无法连接到10061上的MySQL服务器

Question

我想将我的localhost连接到远程服务器mysql5.domain.com

Connect Error (2003)Can't connect to MySQL server on 'mysql5.domain.de' (10061)

define('HOST', "mysql5.domain.de");

define('DB', "x");

define('USER', "y");

define('PASSWORD', "pw");

非常感谢！