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V-253339

CAT II (Medium)

The System event log size must be configured to 32768 KB or greater.

Rule ID

SV-253339r958752_rule

STIG

Microsoft Windows 11 Security Technical Implementation Guide

Version

V2R7

CCIs

CCI-001849

Discussion

Inadequate log size will cause the log to fill up quickly. This may prevent audit events from being recorded properly and require frequent attention by administrative personnel.

Check Content

If the system is configured to send audit records directly to an audit server, this is NA. This must be documented with the ISSO.

If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\Windows\EventLog\System\

Value Name: MaxSize

Value Type: REG_DWORD
Value: 0x00008000 (32768) (or greater)

Fix Text

If the system is configured to send audit records directly to an audit server, this is NA. This must be documented with the ISSO.

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Event Log Service >> System >> "Specify the maximum log file size (KB)" to "Enabled" with a "Maximum Log Size (KB)" of "32768" or greater.