The display must turn off after 20 minutes of inactivity when the system is running on battery.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-36690	WN12-CC-000056	SV-51735r1_rule	ECSC-1	Low

Description
Turning off an inactive display supports energy saving initiatives. It may also extend availability on systems running on a battery.

STIG	Date
Windows Server 2012 Domain Controller Security Technical Implementation Guide	2014-01-07

Details

Check Text ( C-46864r2_chk )
If an organization has a documented operational requirement to keep displays active, this is NA. 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\Power\PowerSettings\3C0BC021-C8A8-4E07-A973-6B14CBCB2B7E\ Value Name: DCSettingIndex Type: REG_DWORD Value: 0x000004b0 (1200) or less

Check Text ( C-46864r2_chk )

If an organization has a documented operational requirement to keep displays active, this is NA.

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\Power\PowerSettings\3C0BC021-C8A8-4E07-A973-6B14CBCB2B7E\

Value Name: DCSettingIndex

Type: REG_DWORD
Value: 0x000004b0 (1200) or less

Fix Text (F-44810r1_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Power Management -> Video and Display Settings -> "Turn off the display (on battery)" to "Enabled" with "1200" seconds or less.