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

The system must be configured to the required LDAP client signing level.

Microsoft Windows 11 Security Technical Implementation Guide

Assessment Title

Rule Text

The system must be configured to the required LDAP client signing level.

Description

Discussion Text

This setting controls the signing requirements for LDAP clients. This setting must be set to Negotiate signing or Require signing, depending on the environment and type of LDAP server in use.

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

Objective

V-253463

Rule

SV-253463r1268251_rule

Severity

medium

Rule Version

WN11-SO-000210

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: \SYSTEM\CurrentControlSet\Services\LDAP\

Value Name: LDAPClientIntegrity

Value Type: REG_DWORD
Value: 1

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: LDAP client signing requirements" to "Negotiate signing" at a minimum.

STIG check 200 of 257 in the Microsoft Windows 11 STIG checklist

← Previous · V-253462The LanMan authentication level must be set to send NTLMv2 response only, and to refuse LM and NTLM.Next · V-253464 →The system must be configured to meet the minimum session security requirement for NTLM SSP based clients.