{"id":13718,"date":"2023-07-03T08:57:05","date_gmt":"2023-07-03T08:57:05","guid":{"rendered":"https:\/\/www.webhosting.uk.com\/kb\/?p=13718"},"modified":"2025-11-24T10:06:07","modified_gmt":"2025-11-24T10:06:07","slug":"how-to-fix-the-issues-mysql-passwords-do-not-work-after-upgrade-neeed-to-be-check","status":"publish","type":"post","link":"https:\/\/www.webhosting.uk.com\/kb\/how-to-fix-the-issues-mysql-passwords-do-not-work-after-upgrade-neeed-to-be-check\/","title":{"rendered":"How to fix the issues MySQL passwords do not work after upgrade"},"content":{"rendered":"<p>In this article, we will explain how to resolve the problem that occurs after a server is upgraded to MySQL 5.6.5 or later.<\/p>\n<h2><strong>To know the version of MySQL<\/strong><\/h2>\n<p>If you want to know which version of MySQL is installed on your server, but are unsure, then follow these steps.<\/p>\n<ol>\n<li>Log into &#8220;cPanel Account&#8221;.<\/li>\n<li>On the right sidebar of\u00a0 the cPanel home page, click Server Information in the General Information.<\/li>\n<li>Under Server Information, you need to locate the MySQL Version row to determine the MySQL version installed on the server.<\/li>\n<\/ol>\n<h3><strong>Problem<\/strong><\/h3>\n<p><strong><br \/>\n<\/strong>When you are trying to access a database on your server running MySQL 5.6.5 or later the login fails, after that, you are also using the correct username and password.<\/p>\n<p>For Example: If you are running WordPress on your site, you\u00a0 may see the following error message: Error establishing a database connection<br \/>\nSometimes other web applications may display similar messages about database connection errors.<\/p>\n<h3><strong>Cause<\/strong><\/h3>\n<p><strong><br \/>\n<\/strong>This problem happens when MySQL 5.6.5 and later versions use a new hashing method for user passwords. The newer MySQL versions don&#8217;t support the hash method that was used in older versions of MySQL to store passwords, so logins fail.<\/p>\n<h3><strong>Resolution<\/strong><\/h3>\n<p><strong><br \/>\n<\/strong>To solve this problem, you have to delete and need to recreate the database user. Once you do this, MySQL will use the new hash method to store the password and the database user can log in again.<\/p>\n<div>\n<p>&nbsp;<\/p>\n<p><strong>Follow these steps to fix the issues MySQL passwords do not work after upgrade<\/strong><\/p>\n<ol>\n<li>Login to &#8220;cPanel Account&#8221;.<strong><br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/kb-cpanel-78-login-1.webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13630 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/kb-cpanel-78-login-1.webp\" alt=\"Login to cPanel\" width=\"324\" height=\"374\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/kb-cpanel-78-login-1.webp 324w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/kb-cpanel-78-login-1-260x300.webp 260w\" sizes=\"auto, (max-width: 324px) 100vw, 324px\" \/><\/a><br \/>\n<\/strong><\/li>\n<li>Search the &#8220;Database&#8221; section, and click on the &#8220;MySQL\u00aeDatabases&#8221;<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_13.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13719 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_13.png\" alt=\"MySQL Database\" width=\"785\" height=\"204\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_13.png 785w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_13-300x78.png 300w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_13-768x200.png 768w\" sizes=\"auto, (max-width: 785px) 100vw, 785px\" \/><\/a><\/li>\n<li>Select the &#8220;Database&#8221; which you want to remove and click in the &#8220;Delete&#8221;\u00a0Button.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13720 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5.png\" alt=\"Current Database\" width=\"1078\" height=\"319\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5.png 1078w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5-300x89.png 300w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5-1024x303.png 1024w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_1-5-768x227.png 768w\" sizes=\"auto, (max-width: 1078px) 100vw, 1078px\" \/><\/a><\/li>\n<li>Now, click on &#8220;Delete User&#8221; to confirm the deletion, and then click on &#8220;Go Back&#8221;.<br \/>\n<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_2-8.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13721 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_2-8.png\" alt=\"Delete Database\" width=\"701\" height=\"182\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_2-8.png 701w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_2-8-300x78.png 300w\" sizes=\"auto, (max-width: 701px) 100vw, 701px\" \/><\/a><\/li>\n<li>Add New User, and type the username of the user you deleted in <strong>step 3.<\/strong><\/li>\n<li>Type the user &#8220;Password&#8221;.<\/li>\n<li>Retype the user &#8220;Password&#8221;.<\/li>\n<li>Click on &#8220;Create User&#8221;.<a href=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_7-4.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-13727 size-full\" src=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_7-4.png\" alt=\"Add new user\" width=\"710\" height=\"360\" srcset=\"https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_7-4.png 710w, https:\/\/www.webhosting.uk.com\/kb\/wp-content\/uploads\/2023\/06\/Screenshot_7-4-300x152.png 300w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/a>\n<div class=\"kb-article-content\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/li>\n<\/ol>\n<p>In this manner, you can resolve the error \u201cError establishing a database connection\u201d.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we will explain how to resolve the problem that occurs after a server is upgraded to MySQL 5.6.5 or later. 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