The Fax Server role must not be installed.

From Windows Server 2016 Security Technical Implementation Guide

Associated with: CCI-000381

SV-87939r1_rule The Fax Server role must not be installed.

Vulnerability discussion

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.

Check content

Open "PowerShell". Enter "Get-WindowsFeature | Where Name -eq Fax". If "Installed State" is "Installed", this is a finding. An Installed State of "Available" or "Removed" is not a finding.

Fix text

Uninstall the "Fax Server" role. Start "Server Manager". Select the server with the role. 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 "Fax Server" on the "Roles" page. Click "Next" and "Remove" as prompted.

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