Error Establishing Database Connection in WordPress

How to fix Error Establishing Database Connection in WordPress?

When WordPress cannot connect to the database, an error message titled “Error Establishing Database Connection in WordPress” will show up and is one of the most common WordPress errors. This could be caused by a number of things, including incorrect database login information, a shaky web host, or a problem with the database server itself.

How to fix Error Establishing Database Connection in WordPress?

To fix this error, you can try the following steps:

  1. Make sure the database login information in your wp-config.php file is accurate. You must access the file via FTP or your hosting control panel to verify the database login information in your wp-config.php file.Search for the following lines of code in the wp-config.php file after accessing it:define(‘DB_NAME’, ‘database_name_here’);
    define(‘DB_USER’, ‘username_here’);
    define(‘DB_PASSWORD’, ‘password_here’);
    define(‘DB_HOST’, ‘localhost’);The DB NAME, DB USER, and DB PASSWORD variables must be accurate and correspond to the database name, username, and password you use to access your database. Update any wrong values and save the modifications to the wp-config.php file.You can ask your web host for advice if you’re unsure of what the right values should be. They ought to be able to give you the proper database login information.
  2. To verify that the database server is functioning properly, speak with your site host.
  3. If the problem continues, try adding the next piece of code to your wp-config.php file to fix the database:define(‘WP_ALLOW_REPAIR’, true);This will enable you to access “” and run the WordPress database repair tool. Be sure to remove that line once your issue is resolved.
  4. You might need to restore your website from a backup if none of the methods above are successful.

In conclusion, although there are a number of potential causes for the Error Establishing Database Connection in WordPress, it is typically brought on by faulty database login information, a shaky web host, or a problem with the database server. You should be able to fix this problem and get your website back up and running by following the above-listed instructions. Hope this helps.


In the realm of website management, few adversaries strike fear into the hearts of owners like the cryptic Error Establishing Database Connection in WordPress. This elusive message, a harbinger of digital chaos, signifies a disruption in the vital link between WordPress and its foundational database. But fear not, for in this extensive guide, we embark on an epic quest to unravel the mysteries of this error, armed with knowledge and determination to restore tranquility to your digital realm.

Understanding the Error Establishing Database Connection in WordPress:

Before we embark on our quest for resolution, it’s crucial to dissect the layers of complexity surrounding the Error Establishing Database Connection in WordPress. This error isn’t a mere glitch; it’s a manifestation of various underlying issues, including:

  1. Incorrect Database Credentials: When the database credentials (username, password, hostname) housed within the venerable wp-config.php file falter or become outdated.
  2. Corrupted Database Tables: The WordPress database, vulnerable to corruption due to various factors such as server anomalies, plugin conflicts, or incomplete updates, manifests connection woes.
  3. Server Overload: Intense website traffic or server strain can exert undue pressure on resources, impeding database connectivity and triggering the dreaded error message.
  4. WordPress Settings Misconfiguration: The intricate web of WordPress settings, coupled with conflicting plugins or themes, may disrupt the harmonious dialogue between WordPress and its database, exacerbating the issue.

Now, let us embark on our noble quest to vanquish this digital nemesis:

  1. Verify Database Credentials: Begin your odyssey by meticulously scrutinizing the accuracy of your database credentials ensconced within the hallowed confines of the wp-config.php file. Ensure that the database name, username, password, and hostname align seamlessly with the directives bestowed upon you by your hosting provider.
  2. Test Database Connection: Take a bold stride forward and endeavor to establish a connection with your database using stalwart tools like phpMyAdmin. Should the connection falter, summon your inner resilience, reevaluate your credentials, and persevere until triumph is achieved.
  3. Repair Corrupted Database: Should your database be besieged by corruption, take solace in the fact that WordPress has bestowed upon you the tools to wage war against this digital scourge. Alternatively, enlist the aid of stalwart plugins like WP-DBManager or WP-Optimize to mend the fissures and restore order to your database realm.
  4. Optimize WordPress Database: Embrace the mantle of responsibility and embark upon a noble quest to optimize your WordPress database. Engage in the sacred rituals of data purification, table optimization, and the consecration of scheduled backups to safeguard your digital dominion against future perils.
  5. Boost Server Resources: Equip your hosting bastion with the fortifications necessary to withstand the onslaught of traffic surges and resource constraints. Ascend to greater heights by augmenting your hosting plan, while also harnessing the arcane arts of caching, CDN integration, and script optimization to alleviate the burdens besetting your server.
  6. Identify Conflicting Plugins/Themes: Peer into the depths of your WordPress ecosystem, for therein lies the source of potential discord. Temporarily suspend the machinations of all plugins and adorn your digital realm with the vestments of a default WordPress theme. Gradually reintroduce plugins and themes to discern the malevolent agent responsible for your plight.
  7. Seek Web Hosting Support: Should your valor falter and the shadows of despair loom large, do not hesitate to summon aid from the stalwart guardians of web hosting support. Armed with arcane knowledge and mystical resources, they shall guide you through the darkest recesses of server-related tribulations and banish the specter of database connection errors.

In the grand tapestry of website ownership, encountering the Error Establishing Database Connection in WordPress may seem like a harrowing ordeal. Yet, armed with the knowledge gleaned from this epic odyssey, you stand poised to conquer adversity and emerge triumphant. Remember, vigilance and tenacity are the guardians of digital sovereignty, ensuring your WordPress realm remains impervious to the machinations of error and strife.

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About The Author

Dr. Sabbir is a  front-end software engineer and WordPress expert with over 12 years of experience in the tech industry. Although he received his medical degree from Rajshahi Medical University, Dr. Sabbir decided to focus on his passion for technology and website development full-time.

In his role as a front-end software engineer, Dr. Sabbir has helped design and develop user-friendly websites and applications for clients in various industries, including healthcare. He is well-versed in a variety of programming languages and is always looking for new ways to improve the user experience.

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