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Resetting the MySQL root password (advanced users)

  1. Log on to your system as Administrator.
  2. Stop the MySQL server if it is running. For a server that is running as a Windows service, go to the Services manager:

    Start Menu -> Control Panel -> Administrative Tools -> Services (or type services.msc in the Run menu, or in cmd)

  3. Then find the MySQL service in the list, and stop it.

    If your server is not running as a service, you may need to use the Task Manager (ctrl+alt+del) to force it to stop.

  4. Create a text file and place the following command within it on a single line:
    SET PASSWORD FOR 'root'@'localhost' = PASSWORD('MyNewPassword');
    

    Save the file with any name. For this example the file will be C:\mysql-init.txt.

  5. Open a console window to get to the DOS command prompt:

    Start Menu -> Run -> cmd

  6. We are assuming that you installed MySQL to C:\mysql. If you installed MySQL to another location, adjust the following commands accordingly.
    At the DOS command prompt, execute this command:
    C:\> C:\mysql\bin\mysqld-nt \--init-file=C:\mysql-init.txt
    

    The contents of the file named by the --init-file option are executed at server startup, changing the root password. After the server has started successfully, you should delete C:\mysql-init.txt.
    If you install MySQL using the MySQL Installation Wizard, you may need to specify a --defaults-file option:

    C:\> 
    "C:\Program Files\MySQL\MySQL Server 5.0\bin\mysqld-nt.exe"
    \--defaults-file="C:\Program Files\MySQL\MySQL Server 5.0\my.ini"
    \--init-file=C:\mysql-init.txt
    

    The appropriate --defaults-file setting can be found using the Services Manager:

    Start Menu -> Control Panel -> Administrative Tools -> Services

    Find the MySQL service in the list, right-click on it, and choose the Properties option. The Path to executable field contains the --defaults-file setting.

  7. Stop the MySQL server, then restart it in normal mode again. If you run the server as a service, start it from the Windows Services window. If you start the server manually, use whatever command you normally use.
  8. You should be able to connect using the new password.


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