Microsoft Windows Server 2025 Security Technical Implementation Guide

The Microsoft Windows Server 2025 Security Technical Implementation Guide (V1 R4) has 291 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R4

CurrentPublished Wed Sep 30 2026

Windows Server 2025 must prevent users from changing installation options.

Microsoft Windows Server 2025 Security Technical Implementation Guide

Assessment Title

Rule Text

Windows Server 2025 must prevent users from changing installation options.

Description

Discussion Text

Installation options for applications are typically controlled by administrators. This setting prevents users from changing installation options that may bypass security features.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-278120

Rule

SV-278120r1181066_rule

Severity

medium

Rule Version

WN25-CC-000420

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

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\Policies\Microsoft\Windows\Installer\

Value Name: EnableUserControl

Type: REG_DWORD
Value: 0x00000000 (0)

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Windows Installer >> Allow user control over installs to "Disabled".

STIG check 136 of 291 in the Microsoft Windows Server 2025 STIG checklist

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