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Windows Server 2022 services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity instead of authenticating anonymously.


Overview

Finding ID Version Rule ID IA Controls Severity
V-254470 WN22-SO-000260 SV-254470r991589_rule Medium
Description
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.
STIG Date
Microsoft Windows Server 2022 Security Technical Implementation Guide 2024-06-14

Details

Check Text ( C-57955r849224_chk )
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)
Fix Text (F-57906r849225_fix)
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".