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 services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity instead of authenticating anonymously.

Microsoft Windows Server 2019 Security Technical Implementation Guide

Assessment Title

Rule Text

Windows Server 2019 services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity instead of authenticating anonymously.

Description

Discussion Text

Services using Local System that use Negotiate when reverting to NTLM authentication may gain unauthorized access if allowed to authenticate anonymously versus using the computer identity.

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

Objective

V-205916

Rule

SV-205916r991589_rule

Severity

medium

Rule Version

WN19-SO-000260

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: UseMachineId

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: Allow Local System to use computer identity for NTLM" to "Enabled".

STIG check 261 of 282 in the Microsoft Windows Server 2019 STIG checklist

← Previous · V-205915Windows Server 2019 must be configured to prevent anonymous users from having the same permissions as the Everyone group.Next · V-205917 →Windows Server 2019 must prevent NTLM from falling back to a Null session.