Optional component installation and component repair must be prevented from using Windows Update.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-225328	WN12-CC-000018	SV-225328r569185_rule		Low

Description
Uncontrolled system updates can introduce issues to a system. Obtaining update components from an outside source may also potentially provide sensitive information outside of the enterprise. Optional component installation or repair must be obtained from an internal source.

STIG	Date
Microsoft Windows Server 2012/2012 R2 Member Server Security Technical Implementation Guide	2021-10-18

Details

Check Text ( C-27027r471326_chk )
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\Microsoft\Windows\CurrentVersion\Policies\Servicing\ Value Name: UseWindowsUpdate Type: REG_DWORD Value: 2

Fix Text (F-27015r471327_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> System -> "Specify settings for optional component installation and component repair" to "Enabled" and with "Never attempt to download payload from Windows Update" selected.