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User Account Control approval mode for the built-in Administrator must be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-14234 WN12-SO-000077 SV-52946r1_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 the built-in Administrator account so that it runs in Admin Approval Mode.
STIG Date
Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2020-06-16

Details

Check Text ( C-47252r2_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: FilterAdministratorToken

Value Type: REG_DWORD
Value: 1
Fix Text (F-45872r2_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: Admin Approval Mode for the Built-in Administrator account" to "Enabled".