The system must be configured to require a strong session key.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-253443 | WN11-SO-000060 | SV-253443r958908_rule | CCI-002418 | medium |
| Description | ||||
| A computer connecting to a domain controller will establish a secure channel. Requiring strong session keys enforces 128-bit encryption between systems. | ||||
| STIG | Date | |||
| Microsoft Windows 11 Security Technical Implementation Guide | 2025-05-15 | |||
Details
Check Text (C-253443r958908_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\Services\Netlogon\Parameters\
Value Name: RequireStrongKey
Value Type: REG_DWORD
Value: 1
Warning: This setting may prevent a system from being joined to a domain if not configured consistently between systems.
Fix Text (F-56846r829412_fix)
Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> Security Options >> "Domain member: Require strong (Windows 2000 or Later) session key" to "Enabled".