This policy setting controls Event Log behavior when the log file reaches its maximum size.If you enable this policy setting and a log file reaches its maximum size new events are not written to the log and are lost.If you disable or do not configure this policy setting and a log file reaches its maximum size new events overwrite old events.Note: Old events may or may not be retained according to the "Backup log automatically when full" policy setting.
Policy path:
Windows Components\Event Log Service\System
Scope:
Machine
Supported on:
At least Windows Vista
Registry settings:
HKLM\Software\Policies\Microsoft\Windows\EventLog\System!Retention
Filename:
EventLog.admx