Microsoft Windows Server 2019 Security Technical Implementation Guide

The Microsoft Windows Server 2019 Security Technical Implementation Guide (V3 R9) has 282 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

V3 · R9

CurrentPublished Wed Jul 01 2026

Windows Server 2019 must be configured to prevent the storage of the LAN Manager hash of passwords.

Microsoft Windows Server 2019 Security Technical Implementation Guide

Assessment Title

Rule Text

Windows Server 2019 must be configured to prevent the storage of the LAN Manager hash of passwords.

Description

Discussion Text

The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve account passwords. This setting controls whether a LAN Manager hash of the password is stored in the SAM the next time the password is changed.

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

Objective

V-205654

Rule

SV-205654r1051063_rule

Severity

high

Rule Version

WN19-SO-000300

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\Control\Lsa\

Value Name: NoLMHash

Value Type: REG_DWORD
Value: 0x00000001 (1)

Implementation Procedure

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Network security: Do not store LAN Manager hash value on next password change" to "Enabled".

STIG check 31 of 282 in the Microsoft Windows Server 2019 STIG checklist

← Previous · V-205653Windows Server 2019 reversible password encryption must be disabled.Next · V-205655 →Windows Server 2019 unencrypted passwords must not be sent to third-party Server Message Block (SMB) servers.