3627
MySQLERRORNotableAccess ControlHIGH confidence

Authentication factor not set for user

Production Risk

High — Affected users cannot authenticate; service disruption possible.

How to reproduce
trigger — this will error
trigger — this will error
-- User has 2FA configured but second factor not yet set

expected output

ERROR 3627 (HY000): Authentication factor 2 is not set for user 'user'@'%'.

Fix

Set the missing authentication factor

Set the missing authentication factor
ALTER USER 'user'@'%' MODIFY 2 FACTOR IDENTIFIED WITH authentication_fido;

Why this works

Completes the MFA configuration by setting the required factor.

What not to do

Version notes

Sources
Official documentation ↗

MySQL 8.0 — 3627 ER_AUTHENTICATION_FACTOR_NOT_SET

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