Error 1396, alter user, in MySQL typically occurs when we try to change a user that does not exist. In this article, we’ll explain the error in detail, along with the fixes. As part of our MySQL Support, Bobcares provides answers to all of your questions.
Overview
Error 1396, alter user, in MySQL
Sometimes, we may see an error like following:
It suggests a problem that occurs when we attempt to use the ALTER USER statement to change a user account. An operation failure for ALTER USER appears by the particular error code (1396).
Error Causes
1. Verify again the host and username that we’ve specified in the ALTER USER statement. Make sure they correspond with the current user account that we wish to edit.
2. This issue may be caused by typos or improper host requirements (localhost vs. IP address, for example).
3. It’s possible that the user we’re using doesn’t have enough rights to change the settings of other user accounts.
4. To use ALTER USER, we usually require the SUPER or ALTER privilege.
5. Rarely, a damaged mysql.user table—which houses user data—might make it impossible for users to successfully make changes.
6. Rarely, user management-related server-side parameters may be incorrectly setup.
Error Fixes
1. Verify Username and Host: Double-check the username and host in the ALTER USER statement to ensure they are correct.
2. Check Privileges: If we suspect privilege issues, use a user with ALTER or SUPER privileges to execute the ALTER USER statement.
3. Repair User Table (Advanced): If we suspect the mysql.user table is corrupted, consult MySQL documentation for advanced methods, such as using mysqlcheck, to repair the table.
These steps should help us troubleshoot and resolve MySQL Error 1396 effectively.
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Conclusion
This article explains about the MySQL error 1396, which usually occurs when we try to change a user. We’ve also included the fixes for the issue from our Tech team.
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