M
cr_kerberos_user_not_found
Easy Fix
MySQL · Connector / Client Library
MySQL client error 2067: KERBEROS USER NOT FOUND.
Quick Answer
Error code CR_KERBEROS_USER_NOT_FOUND on your MySQL Connector / Client Library means: MySQL client error 2067: KERBEROS USER NOT FOUND.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. MySQL client emitted CR_KERBEROS_USER_NOT_FOUND during connection/statement handling.
  2. Session or token context was stale, revoked, or scoped to a different tenant/project.
  3. Credentials, account state, or security policy did not satisfy authentication requirements.
How to Fix It
1
Capture client and server logs for CR_KERBEROS_USER_NOT_FOUND, including host, port, TLS mode, and statement context.
2
Validate auth configuration in code and environment variables against the current deployment.
3
Rotate credentials if needed and run a least-privilege permission audit for this operation.
4
Re-check account/role bindings, tenant scope, and credential freshness before retrying.
5
Track CR_KERBEROS_USER_NOT_FOUND frequency by environment to detect regressions early.
Pro Tip
This is a common issue that most users can resolve without specialized tools. Try the first step before moving on to more complex solutions.
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