Policy

Control Event Log behavior when the log file reaches its maximum size

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
Pack Microsoft Windows
Category Windows Components / Event Log Service / System
Policy ID a3c295236425
Internal name Channel_Log_Retention_4

Registry

Copy registry mappings

HKLM\Software\Policies\Microsoft\Windows\EventLog\System\Retention (enabled) = 1
HKLM\Software\Policies\Microsoft\Windows\EventLog\System\Retention (disabled) = 0

Policy notes

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.

Related policies

Back up log automatically when fullConfigure log accessConfigure log access (legacy)Control the location of the log fileSpecify the maximum log file size (KB)