Microsoft Windows 11 Security Technical Implementation Guide

The Microsoft Windows 11 Security Technical Implementation Guide (V2 R11) has 257 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

V2 · R11

CurrentPublished Wed Sep 30 2026

Remote Desktop Services must be configured with the client connection encryption set to the required level.

Microsoft Windows 11 Security Technical Implementation Guide

Assessment Title

Rule Text

Remote Desktop Services must be configured with the client connection encryption set to the required level.

Description

Discussion Text

Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will ensure encryption of Remote Desktop Services sessions in both directions.

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

Objective

V-253406

Rule

SV-253406r1268222_rule

Severity

medium

Rule Version

WN11-CC-000290

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 NT\Terminal Services\

Value Name: MinEncryptionLevel

Value Type: REG_DWORD
Value: 3

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Session Host >> Security >> "Set client connection encryption level" to "Enabled" and "High Level".

STIG check 145 of 257 in the Microsoft Windows 11 STIG checklist

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