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V-278120

CAT II (Medium)

Windows Server 2025 must prevent users from changing installation options.

Rule ID

SV-278120r1181066_rule

STIG

Microsoft Windows Server 2025 Security Technical Implementation Guide

Version

V1R1

CCIs

CCI-003980

Discussion

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

Check Content

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)

Fix Text

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