On Windows, use the following procedure to reset the
password for the MySQL
account. To change the password for a
root account with a different host name
part, modify the instructions to use that host name.
Log on to your system as Administrator.
Stop the MySQL server if it is running. For a server that is running as a Windows service, go to the Services manager: From themenu, select , then , 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 to force it to stop.
Create a text file containing the password-assignment statement on a single line. Replace the password with the password that you want to use.
MySQL 5.7.6 and later:
ALTER USER 'root'@'localhost' IDENTIFIED BY 'MyNewPass';
MySQL 5.7.5 and earlier:
SET PASSWORD FOR 'root'@'localhost' = PASSWORD('MyNewPass');
Save the file. This example assumes that you name the file
Open a console window to get to the command prompt: From the cmd as the command to be run.menu, select , then enter
Start the MySQL server with the special
--init-fileoption (notice that the backslash in the option value is doubled):
cd "C:\Program Files\MySQL\MySQL Server 5.7\bin"C:\>
If you installed MySQL to a different location, adjust the cd command accordingly.
The server executes the contents of the file named by the
--init-fileoption at startup, changing the
To have server output to appear in the console window rather than in a log file, add the
--consoleoption to the mysqld command.
If you installed MySQL using the MySQL Installation Wizard, you may need to specify a
--defaults-fileoption. For example:
--defaults-file="C:\\ProgramData\\MySQL\\MySQL Server 5.7\\my.ini"
--defaults-filesetting can be found using the Services Manager: From the menu, select , then , then . Find the MySQL service in the list, right-click it, and choose the
Path to executablefield contains the
After the server has started successfully, delete
You should now be able to connect to the MySQL server as
root using the new password. Stop the
MySQL server and restart it normally. 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
ALTER USER statement
fails to reset the password, try repeating the procedure
using the following statements to modify the
user table directly:
UPDATE mysql.user SET authentication_string = PASSWORD('MyNewPass') WHERE User = 'root' AND Host = 'localhost'; FLUSH PRIVILEGES;