Require IPPS for IPP printers

Supported on: At least Windows 11 Version 24H2

Registry

HKLM Software\Policies\Microsoft\Windows NT\Printers\IPP

Value name: RequireIpps

Enabled: RequireIpps = 1

Disabled: RequireIpps = 0

Description

Determines whether communication with printers using the Microsoft IPP Class Driver must use IPPS (which uses TLS for secure communication). If you enable this policy setting, then only IPP printers which support IPPS can be installed. If you disable this setting or do not configure it, the default is to allow installation of IPP printers which do not support IPPS.