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 | 2025-05-15 |
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". |