Where is My MySQL my.ini File Located on Windows?

Finding MySQL my.ini File Location on Windows

The search for the elusive MySQL my.ini file on Windows is a common challenge faced by many users. Despite extensive online searches, the question often remains unanswered. This article aims to provide a clear solution for those struggling to locate my.ini.

Understanding the File Location

Before searching for my.ini, it's important to note that its location can vary depending on the specific version of MySQL installed and the installation method used. In general, MySQL will look for my.ini files in the following locations (in order of precedence):

1. ProgramData directory: For MSI-based installations, my.ini will be located in %PROGRAMDATA%MySQLMySQL Server my.ini.
2. MySQL installation directory: If my.ini is not found in the ProgramData directory, it will be searched in the MySQL installation directory (e.g., C:Program FilesMySQLMySQL Server my.ini).
3. Data directory: If neither of the previous locations yields results, MySQL will check the data directory (typically C:ProgramDataMySQLMySQL Server Data).

Finding my.ini for MySQL 5.5.28 on Windows Server 2008

In your specific case, you are using MySQL 5.5.28 on Windows Server 2008. Since you have installed the service using mysqld --install, it is likely that you used the MSI-based installation method.

Solution for MSI-Based Installations

1. Open a Windows command shell and type echo %PROGRAMDATA%. This should display the ProgramData directory location (e.g., C:ProgramData).
2. Navigate to %PROGRAMDATA%MySQLMySQL Server 5.5my.ini. This is where my.ini should be located for your version and installation method.

Note:

It's worth noting that placing my.ini in other locations, such as the MySQL installation directory or the data directory, will not work for MSI-based installations of MySQL. This is because the MSI installer gives the highest priority to the file in the ProgramData directory.

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