Windows Server 2019 must not have the Peer Name Resolution Protocol installed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-205679 | WN19-00-000340 | SV-205679r958478_rule | CCI-000381 | medium |
| Description | ||||
| Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authentication or encryption or may provide unauthorized access to the system. | ||||
| STIG | Date | |||
| Microsoft Windows Server 2019 Security Technical Implementation Guide | 2025-05-23 | |||
Related Frameworks
3 paths across 3 frameworks
Related Frameworks
NIST 800-531 mapping
CM-7
1.00
- DISA · 3 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
NIST 800-1711 mapping
3.4.6
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-000381
1.00
- DISA · 3 · disa_xccdf · related
Details
Check Text (C-205679r958478_chk)
Open "PowerShell".
Enter "Get-WindowsFeature | Where Name -eq PNRP".
If "Installed State" is "Installed", this is a finding.
An Installed State of "Available" or "Removed" is not a finding.
Fix Text (F-5944r354956_fix)
Uninstall the "Peer Name Resolution Protocol" feature.
Start "Server Manager".
Select the server with the feature.
Scroll down to "ROLES AND FEATURES" in the right pane.
Select "Remove Roles and Features" from the drop-down "TASKS" list.
Select the appropriate server on the "Server Selection" page and click "Next".
Deselect "Peer Name Resolution Protocol" on the "Features" page.
Click "Next" and "Remove" as prompted.