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


Overview

Finding ID Version Rule ID IA Controls Severity
V-220781 WN10-AU-000510 SV-220781r877391_rule Medium
Description
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.
STIG Date
Microsoft Windows 10 Security Technical Implementation Guide 2023-09-29

Details

Check Text ( C-22496r554828_chk )
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 (F-22485r554829_fix)
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.