Windows Server 2019 Remote Desktop Services must be configured with the client connection encryption set to High Level.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-205637WN19-CC-000380SV-205637r958408_ruleCCI-000068medium
Description
Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will ensure encryption of Remote Desktop Services sessions in both directions. Satisfies: SRG-OS-000033-GPOS-00014, SRG-OS-000250-GPOS-00093
STIGDate
Microsoft Windows Server 2019 Security Technical Implementation Guide2025-05-23

Related Frameworks

3 paths across 3 frameworks
NIST 800-531 mapping
  • DISA · 3 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.1.13
1.00
  • DISA · 3 · disa_xccdf · related
  • DISA · 2025-01-23 · disa_cci_list · equivalent
  • NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent
CCI1 mapping
CCI-000068
1.00
  • DISA · 3 · disa_xccdf · related

Details

Check Text (C-205637r958408_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: \SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services\ Value Name: MinEncryptionLevel Type: REG_DWORD Value: 0x00000003 (3)

Fix Text (F-5902r354830_fix)

Configure the policy value for Computer Configuration >> Administrative Templates >> Windows Components >> Remote Desktop Services >> Remote Desktop Session Host >> Security >> "Set client connection encryption level" to "Enabled" with "High Level" selected.