Error
Error Code:
3163
MySQL Error 3163: Duplicate User ID
Description
This error signifies an attempt to create a user account (authorization ID) that already exists within the MySQL database system. It commonly occurs when a `CREATE USER` or `GRANT` statement targets a user that is already defined, preventing the operation from completing.
Error Message
Authorization ID %s already exists.
Known Causes
3 known causesAttempting to Create Existing User
You executed a `CREATE USER` statement for a user account that is already present in the `mysql.user` table.
Redundant `GRANT` with Password
A `GRANT` statement included an `IDENTIFIED BY` clause for a user that already exists, implicitly attempting to create it again.
Flawed Script/Application Logic
An automated script or application is trying to create a user without first verifying its presence, leading to a duplicate creation attempt.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service