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Could not connect to specific instance. MySQL Error Number 2003
Posted by: Robin Briggs
Date: September 10, 2012 12:41PM

I have MySQL Installed on a Virtual Machine, and I needed to access the machine from other machines on the network. When I attempted to Open Query Browser or anything else, I would get the MySQL log-in Window.

I entered the:
- hostname (The Machine Name, or if you want to try with an IP you can do this by typing "ipconfig /all" from the command line and check your systems, IP and Hostname),
- the username, in my case I used "root"
- the password
- the default port 3306 is already populated the box, and
- the schema, which is the name of the DB in my case

Every time, The system hangs for about a minute and then throws an error that says:

Could not connect to the specified instance.

MySQL Error Number 2003
Can't connect to MySQL server on 'SGSS-VM1' (10060)

If you want to check the network connection, please click the Ping button.

So I clicked the ping button and the ping worked fine. To correct this problem, I went to the host machine and put in two firewall rules. My windows firewall was "On" and I figured it had this port blocked. Installing MySQL (at least the versuion I had) did not put in firewall rules for this default port "3306". Now I am working in Windows 7 here. Sorry I forgot to mention that.

I went into the Control Panel and navigated to the Firewall Settings page. In Advanced Security,
1. I clicked on "Inbound Rules"
2. and added a "New Rule"
3. the Type was "Port".
4. In the "Specific local ports:" box I put in 3306.
5. On the Next Page, I clicked "Allow the Connection"
6. Then on the next page all three boxes were checked "Domain", "Private", and "Public" then on the next page
7. I put in a Name and a description. This can be whatever you like.
8. I clicked finish.

Repeat this same process for your "Outbound Rules".

This fixed the problem for me. The error you

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Could not connect to specific instance. MySQL Error Number 2003
September 10, 2012 12:41PM

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