Windows Server 2025 must prevent users from changing installation options.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-278120SRG-OS-000362-GPOS-00149WN25-CC-000420SV-278120r1181066_rule2026-02-201

Description

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

ℹ️ Check

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

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