Windows events for auditing logon issues
| Event Id | Event Type | Event Occured | Reason |
|---|---|---|---|
| 529 | Failure Audit | Logon Failure | Unknown user name or bad Password |
| 539 | Failure Audit | Logon Failure | The user trying to logon is already locked |
| 612 | Policy Change | Policy Changed | General Audit Policy changed |
| 643 | Policy Change | Domain Policy Changed | Changes in Account Lockout and Password policis |
| 644 | Success Audit | User Account Locked Out | The user account has reached the account lockout threshold |
| 671 | Success Audit | User Account Unlocked | User Account Unlocked |
| 675 | Failure Audit | Logon Failure | Pre-authentication failed |
| Event Id | Event Type | Event Occured | Reason |
|---|---|---|---|
| 4625 | Failure Audit | Logon Failure | Unknown user name or bad Password |
| 4719 | Policy Change | Policy Changed | General Audit Policy changed |
| 4739 | Policy Change | Domain Policy Changed | Changes in Account Lockout and Password policis |
| 4740 | Success Audit | User Account Locked Out | The user account has reached the account lockout threshold |
| 4767 | Success Audit | User Account Unlocked | User Account Unlocked |
| 4771 | Failure Audit | Logon Failure | Kerberos Pre-authentication failed |
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