3626
MySQLERRORNotableAccess ControlHIGH confidence
Multi-factor authentication not supported by this plugin
Production Risk
Low — ALTER USER fails; existing authentication is unchanged.
How to reproduce
trigger — this will error
trigger — this will error
ALTER USER 'user'@'%' ADD 2 FACTOR IDENTIFIED WITH incompatible_plugin;
expected output
ERROR 3626 (HY000): Multi-factor authentication is not supported by plugin 'incompatible_plugin'.
Fix
Use an MFA-compatible plugin
Use an MFA-compatible plugin
ALTER USER 'user'@'%' ADD 2 FACTOR IDENTIFIED WITH authentication_fido;
Why this works
Assigns a supported MFA plugin as the second authentication factor.
What not to do
✕
Version notes
Sources
Official documentation ↗
MySQL 8.0 — 3626 ER_MULTIPLE_FACTOR_AUTHENTICATION_NOT_SUPPORTED
Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev