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 not have Windows PowerShell 2.0 installed.

Microsoft Windows Server 2025 Security Technical Implementation Guide

Assessment Title

Rule Text

Windows Server 2025 must not have Windows PowerShell 2.0 installed.

Description

Discussion Text

Windows PowerShell 5.x added advanced logging features that can provide additional detail when malware has been run on a system. Disabling the Windows PowerShell 2.0 mitigates against a downgrade attack that evades the Windows PowerShell 5.x script block logging feature.

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

Objective

V-278026

Rule

SV-278026r1180784_rule

Severity

medium

Rule Version

WN25-00-000410

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Open PowerShell.

Enter "Get-WindowsFeature | Where Name -eq PowerShell-v2".

If "Installed State" is "Installed", this is a finding.

An Installed State of "Available" or "Removed" is not a finding.

Implementation Procedure

Fix Text

Uninstall the Windows PowerShell 2.0 Engine.

Start Server Manager.

Select the server with the feature.

Scroll down to "ROLES AND FEATURES" in the right pane.

Select "Remove Roles and Features" from the drop-down "TASKS" list.

Select the appropriate server on the "Server Selection" page and click "Next".

Deselect "Windows PowerShell 2.0 Engine" under "Windows PowerShell" on the "Features" page.

Click "Next" and "Remove" as prompted.

STIG check 43 of 291 in the Microsoft Windows Server 2025 STIG checklist

← Previous · V-278025Windows Server 2025 must have the Server Message Block (SMB) v1 protocol disabled on the SMB client.Next · V-278027 →Windows Server 2025 FTP servers must be configured to prevent anonymous logons.