Group Policies must be refreshed in the background if the user is logged on.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
WN12-CC-000029	WN12-CC-000029	WN12-CC-000029_rule		Medium

Description
If this setting is enabled, then Group Policy settings are not refreshed while a user is currently logged on. This could lead to instances when a user does not have the latest changes to a policy applied and is therefore operating in an insecure context.

STIG	Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide	2013-07-25

Details

Check Text ( C-WN12-CC-000029_chk )
Review the registry. If the following registry value does not exist, this is not a finding (This is the expected result from configuring the policy as outlined in the Fix section.): If the following registry value exists but is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\system\ Value Name: DisableBkGndGroupPolicy Type: REG_DWORD Value: 0

Check Text ( C-WN12-CC-000029_chk )

Review the registry.
If the following registry value does not exist, this is not a finding (This is the expected result from configuring the policy as outlined in the Fix section.):
If the following registry value exists but is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Microsoft\Windows\CurrentVersion\Policies\system\

Value Name: DisableBkGndGroupPolicy

Type: REG_DWORD
Value: 0

Fix Text (F-WN12-CC-000029_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> Group Policy -> "Turn off background refresh of Group Policy" to "Disabled".