STIGQter: STIG Summary: Microsoft Windows Server 2022 Security Technical Implementation Guide Version: 2 Release: 9 Benchmark Date: 01 Jul 2026:

Windows Server 2022 must not have the Peer Name Resolution Protocol installed.

DISA Rule

SV-254271r958478_rule

Vulnerability Number

V-254271

Group Title

SRG-OS-000095-GPOS-00049

Rule Version

WN22-00-000340

Severity

CAT II

CCI(s)

• CCI-000381 - Configure the system to provide only organization-defined mission essential capabilities.

Weight

10

Fix Recommendation

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.

Check Contents

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.

Vulnerability Number

V-254271

Documentable

False

Rule Version

WN22-00-000340

Severity Override Guidance

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.

Check Content Reference

M

Target Key

5485