Error 2003 is an access denied error. Have you attempted to change your MySQL root user to be able to connect remotely? (ie - EQ Operations center, use GeorgeS tools, or maybe just manage your database from your local machine instead of server). If you follow the guides where you update your base root account to accept on % instead of localhost, sometimes you can connect remotely, but not locally.
You may try either loading up HeidiSQL and trying to connect to database (on server machine), or launching a command prompt and trying to sign in to your database engine with:
and putting in your password. See what the outcome is with that.
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