LDAP Error Code Checker FAQ

What does LDAP error code 49 mean?

It usually means invalid credentials. In Active Directory, the diagnostic data subcode often gives the useful detail.

What does data 52e mean?

It points to invalid username or password. Check the exact bind identity, password storage, escaping, and recent secret rotation.

What does data 775 mean?

The account is locked. Find the source of repeated failed logins before unlocking, or it may lock again.

Is this a replacement for official documentation?

No. It is a quick triage page that links back to public references and helps decide the next check.