The Security event log must be configured to a minimum size requirement.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26580	WINAU-100101	SV-36022r2_rule	ECRR-1	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
Windows 7 Security Technical Implementation Guide	2015-06-16

Details

Check Text ( C-59283r1_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\Security\ Value Name: MaxSize Type: REG_DWORD Value: 0x00014000 (81920) (or greater)

Check Text ( C-59283r1_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\Security\

Value Name: MaxSize

Type: REG_DWORD
Value: 0x00014000 (81920) (or greater)

Fix Text (F-63771r1_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 -> Security -> "Maximum Log Size (KB)" to "Enabled" with a "Maximum Log Size (KB)" of "81920" or greater.