Policy

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

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > Event Log Service > System
Supported onAt least Windows Vista

Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016, WindowsVista

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.

Internal name
Channel_Log_Retention_4
Policy ID
a3c295236425
Elements
0

Registry values

How enabled and disabled states update the registry.

Registry locationTypeEnabled valueDisabled value
HKLM\Software\Policies\Microsoft\Windows\EventLog\System\RetentionREG_SZ
1
0

Policy elements

Inputs and configuration options exposed by this policy.

This policy has no additional user input fields.

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