3340
MySQLERRORCommonSecurity / KeyringHIGH confidence

Keyring migration failed

Production Risk

Critical — encryption keys may not be available on the destination keyring.

How to reproduce
trigger — this will error
trigger — this will error
-- Triggered by a failed keyring migration invocation.

expected output

ERROR 3340 (HY000): Keyring migration failed.

Fix

Fix config and retry

Fix config and retry
-- Correct the --keyring-migration-source / --keyring-migration-destination options and re-run.

Why this works

Most migration failures are caused by misconfigured plugin paths or credentials.

What not to do

Sources
Official documentation ↗

MySQL 8.0 — 3340 ER_KEYRING_MIGRATION_FAILURE

Content generated with AI assistance and reviewed for accuracy. Found an error? hello@errcodes.dev

← All MySQL errors