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Windows Security Log Encyclopedia

Randy's plain English explanations of Windows security log events

Top 10 Events

Event ID OS Title
512
All Versions

Windows NT is starting up
513
All Versions
Win2003
XP

Windows NT is shutting down
514
All Versions
Win2003
XP

An authentication package has been loaded by the Local Security Authority
515
All Versions
Win2003
XP

A trusted logon process has registered with the Local Security Authority
516
All Versions

Internal resources allocated for the queuing of audit messages have been exhausted, leading to the loss of some audits
517
All Versions

The audit log was cleared
518
All Versions

A notification package has been loaded by the Security Account Manager
519
Win2003

A process is using an invalid local procedure call (LPC) port
520
Win2003

The system time was changed
528
All Versions
Win2003

Successful Logon
529
All Versions

Logon Failure - Unknown user name or bad password
530
All Versions

Logon Failure - Account logon time restriction violation
531
All Versions

Logon Failure - Account currently disabled
532
All Versions

Logon Failure - The specified user account has expired
533
All Versions

Logon Failure - User not allowed to logon at this computer
534
All Versions
Win2000

Logon Failure - The user has not been granted the requested logon type at this machine
535
All Versions

Logon Failure - The specified account's password has expired
536
All Versions

Logon Failure - The NetLogon component is not active
537
All Versions

Logon failure - The logon attempt failed for other reasons.
538
All Versions

User Logoff
539
All Versions

Logon Failure - Account locked out
540
All Versions
Win2000
Win2003
XP

Successful Network Logon
552
Win2003

Logon attempt using explicit credentials
560
All Versions

Object Open
561
All Versions

Handle Allocated
562
All Versions

Handle Closed
563
All Versions

Object Open for Delete
564
All Versions
Win2000

Object Deleted
565
Win2000
Win2003

Object Open (Active Directory)
566
Win2003

Object Operation (W3 Active Directory)
567
Win2003

Object Access Attempt
576
All Versions

Special privileges assigned to new logon
577
All Versions

Privileged Service Called
578
All Versions

Privileged object operation
592
All Versions

A new process has been created
593
All Versions

A process has exited
594
All Versions

A handle to an object has been duplicated
595
All Versions

Indirect access to an object has been obtained
600
All Versions

A process was assigned a primary token
601
Win2003

Attempt to install service
602
Win2003

Scheduled Task created
608
All Versions

User Right Assigned
609
All Versions

User Right Removed
610
Win2000
Win2003

New Trusted Domain
611
Win2000
Win2003

Removing Trusted Domain
612
All Versions

Audit Policy Change
613
All Versions

IPSec policy agent started
614
All Versions

IPSec policy agent disabled
615
Win2000
Win2003

IPSEC PolicyAgent Service
616
Win2000

IPSec policy agent encountered a potentially serious failure.
617
Win2000
Win2003

Kerberos Policy Changed
618
Win2000
Win2003

Encrypted Data Recovery Policy Changed
619
All Versions

Quality of Service Policy Changed
620
Win2000
Win2003

Trusted Domain Information Modified
621
Win2003

System Security Access Granted
622
Win2003

System Security Access Removed
623
Win2003

Per User Audit Policy was refreshed
624
Win2000
Win2003

User Account Created
625
All Versions
Win2000
Win2003

User Account Enabled
626
Win2000
Win2003