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← Back to Microsoft Windows Server 2025 Security Technical Implementation Guide

V-278238

CAT II (Medium)

Windows Server 2025 User Account Control (UAC) must run all administrators in Admin Approval Mode, enabling UAC.

Rule ID

SV-278238r1182203_rule

STIG

Microsoft Windows Server 2025 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-004895

Discussion

UAC is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting enables UAC. Satisfies: SRG-OS-000373-GPOS-00156, SRG-OS-000373-GPOS-00157

Check Content

UAC requirements are not applicable for Server Core installations (this is the default installation option for Windows Server 2025 versus Server with Desktop Experience).

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: EnableLUA

Value Type: REG_DWORD
Value: 0x00000001 (1)

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> User Account Control: Run all administrators in Admin Approval Mode to "Enabled".