Here are a few question-based titles that fit your provided article: Focusing on the error: * MySQL Authentication Error: \"Authentication with old password no longer supported\" - How to

Error: Authentication with Old Password No Longer Supported

Issue:

When attempting to connect to a MySQL database using C# on a Hostgator server, the error message "Authentication with old password no longer supported, use 4.1 style password" is encountered.

Troubleshooting:

The hosting provider has modified the my.cnf configuration file to enforce the use of 4.1 style passwords. To resolve the issue, follow these steps:

1. Update MySQL Configuration:

   • Connect to the database using MySQL Workbench.

   • Execute the following commands:

     • SET SESSION old_passwords=0;
     • SET PASSWORD FOR user@host=PASSWORD('your password');

2. Verify Password Update:

   • Attempt to connect to the database using the updated password from the command line:

     • mysql -u -p -h

3. Adjust Connection String in C#:

   • In the C# application, modify the connection string to use the updated password and connection parameters:

     • Ensure the old_passwords parameter is set to 0 in the connection string:

       • "server=my_server_ip;user=my_user;database=my_db;port=3306;password=my_password;old_passwords=0;"

4. Reconnect using Updated Connection String:

   • Re-run the connection attempt using the updated connection string in C#.

By following these steps, you should be able to successfully authenticate to the MySQL database using 4.1 style passwords, resolving the "Authentication with old password no longer supported" error.

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