Wordpress database failed

How to Fix WordPress Database Connection Failure: Some Easy Steps

Have you ever encountered the frustration of trying to access your WordPress website, only to be greeted with an error message that says, “Database Connection Error”? It can be disheartening, especially if you’re not familiar with the technical aspects of website management. But fear not! In this guide, we will walk you through the process of resolving the WordPress database connection failure step by step. So, if you find yourself in this predicament, worry not, for here are the steps to take.

Verify Database Login Credentials

One common reason for the database connection failure is incorrect login credentials. To resolve this, double-check the database username and password in your WordPress configuration file (wp-config.php). These credentials must match the ones provided by your web hosting provider. Typos or changes made in haste can lead to login failures. Make sure to enter the correct details and save the file.

Repair Database Tables

In some cases, corrupted database tables can cause the connection error. WordPress offers a built-in feature to repair database tables easily. To do this, access your website’s root directory via FTP or cPanel’s File Manager. Locate the “wp-config.php” file and add the following line just above the line that says “That’s all, stop editing! Happy blogging.

define('WP_ALLOW_REPAIR', true);

Save the file and navigate to “https://www.yourwebsite.com/wp-admin/maint/repair.php” in your web browser. Click on “Repair Database” or “Repair and Optimize Database” to let WordPress take care of the rest.

Check Database Host

The database host is crucial for connecting WordPress to your database server. If you’re using a managed hosting service, the database host is often “localhost” or provided by the hosting provider. However, if you’ve migrated your website or made changes to your hosting, the database host might have changed as well. Verify the correct host address in your wp-config.php file.

Examine Plugin and Theme Issues

Sometimes, a faulty plugin or theme can interfere with the database connection. To identify the problem, temporarily disable all plugins by renaming the “plugins” folder in “wp-content” to something else. Then, try accessing your website. If the connection error is resolved, you know the issue lies with one of the plugins. Re-enable the plugins one by one until you find the culprit. The same approach applies to themes if necessary.

Optimize Your Database

Over time, your WordPress database can become cluttered with unnecessary data, leading to performance issues. Optimize your database to improve its efficiency and potentially resolve the connection error. Plugins like “WP-Optimize” or “WP Rocket” can help you with this task, removing redundant data and optimizing the tables.

Contact Your Hosting Provider

If you’ve followed all the steps above and still can’t fix the database connection failure, it might be time to seek assistance from your hosting provider. They have experienced support teams who can investigate the issue from their end. Reach out to them and provide detailed information about the problem and the steps you’ve taken so far. They’ll likely be able to offer a solution or further guidance.


Facing a WordPress database connection failure can be daunting, but you can overcome it successfully with the right steps. Remember to verify your database login credentials initially. If the issue persists, repairing database tables, checking the database host, and identifying plugin or theme conflicts can lead you to a resolution. Don’t hesitate to optimize your database regularly to prevent future problems. And if all else fails, don’t hesitate to ask for support from your hosting provider. By following these steps and staying proactive in your website’s maintenance, you can ensure a smooth and enjoyable experience for both yourself and your visitors. Keep calm, troubleshoot wisely, and keep your WordPress website running flawlessly! Happy blogging!


Will fixing the database connection failure delete any of my website’s data?

No, fixing the database connection failure won’t delete your website’s data. It primarily involves resolving connectivity issues and optimizing the database structure without affecting the content.

Can I use a plugin to fix the database connection error?

Yes, you can use plugins like “WP-Optimize” or “WP Rocket” to optimize your database and potentially fix the connection error. However, it’s essential to proceed with caution and create a backup before using any plugins that affect the database.

I didn’t make any changes, and the error suddenly appeared. What could be the cause?

Sometimes, hosting server updates, sudden spikes in traffic, or external factors can cause the database connection error even if you haven’t made any changes. In such cases, following the troubleshooting steps in this guide can still help resolve the issue.

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