Maximum security log size

Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

Maximum security log size


This security setting specifies the maximum size of the security event log, which has a maximum size of 4 GB.


  • Log file sizes must be a multiple of 64 KB. If you enter a value that is not a multiple of 64 KB, Event Viewer will set the log file size to a multiple of 64 KB.

  • This setting does not appear in the Local Computer Policy object.

  • Event Log size and log wrapping should be defined to match the business and security requirements you determined when designing your enterprise security plan. Consider implementing these Event Log settings at the site, domain, or organizational unit level, to take advantage of Group Policy settings.

Default: For the Windows Server 2003 family, 16 MB; for Windows XP Professional Service Pack 1, 8 MB; for Windows XP Professional, 512 KB.

Configuring this security setting

You can configure this security setting by opening the appropriate policy and expanding the console tree as such: Computer Configuration\Windows Settings\Security Settings\Event Log\

For specific instructions about how to configure security policy settings, see Edit security settings on a Group Policy object.

For more information, see: