Logon Logoff Event: 539

Active Directory Auditing Tool

The Who, Where and When information is very important for an administrator to have complete knowledge of all activities that occur on his Active Directory. This helps him identify any desired / undesired activity happening. ADAudit Plus assists an administrator with this information in the form of reports. In real-time, ensure critical resources in the network like the Domain Controllers are audited, monitored and reported with the entire information on AD objects - Users, Groups, GPO, Computer, OU, DNS, AD Schema and Configuration changes with 200+ detailed event specific GUI reports and email alerts.

Account Management » Logon Logoff Event: 539

Event ID 539 – Logon Failure: Account Locked Out

Event ID 539
Category Logon/Logoff
Type Failure Audit
Description Logon failure – Account locked out

Event 539 is generated when a user tries to log on to the system with an account that is locked out, and thus faces logon failure. This is different from event 644, which is the event where the account actually gets locked.

This log data provides the following information:

  • User Name
  • Domain
  • Logon Type
  • Logon Process
  • Authentication Package
  • Workstation Name

Additionally, in Windows Server 2003, the following information is also made available:

  • Caller User Name
  • Caller Domain
  • Caller Logon ID
  • Caller Process ID
  • Transited Services
  • Source Network Address
  • Source Port

Why does event ID 539 need to be monitored?

  • To detect brute-force, dictionary, and other password guess attacks
  • To detect abnormal and possibly malicious internal activity
  • To come up with a benchmark for the account lockout threshold policy
  • To ensure compliance with regulatory mandates

Pro Tip:

With in-depth reports, real-time alerts, and graphical displays, ADAudit Plus tracks logon failures, helping you meet your security, operational, and compliance needs with absolute ease.

Event 539 applies to the following operating systems:

  • Windows Server 2000
  • Windows 2003 and XP

Corresponding event ID in Windows 2008 and Windows Vista is 4625.

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