User Account Control must virtualize file and registry write failures to per-user locations.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-226346	WN12-SO-000085	SV-226346r794647_rule		Medium

Description
User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures non-UAC-compliant applications to run in virtualized file and registry entries in per-user locations, allowing them to run.

STIG	Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide	2022-03-01

Details

Check Text ( C-28048r476882_chk )
UAC requirements are NA on Server Core installations. 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\System\ Value Name: EnableVirtualization Value Type: REG_DWORD Value: 1

Fix Text (F-28036r476883_fix)
UAC requirements are NA on Server Core installations. Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "User Account Control: Virtualize file and registry write failures to per-user locations" to "Enabled".