Configure RPC connection settings

Supported on: At least Windows Server 2016, Windows 10

Registry

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

Options

RpcUseNamedPipeProtocol enum
  • RPC over TCP -> 0
  • RPC over named pipes -> 1
RpcAuthentication enum
  • Default -> 0
  • Authentication enabled -> 1
  • Authentication disabled -> 2

Description

This policy setting controls which protocol and protocol settings to use for outgoing RPC connections to a remote print spooler. By default, RPC over TCP is used and authentication is always enabled. For RPC over named pipes, authentication is always enabled for domain joined machines but disabled for non domain joined machines. Protocol to use for outgoing RPC connections: -- "RPC over TCP": Use RPC over TCP for outgoing RPC connections to a remote print spooler -- "RPC over named pipes": Use RPC over named pipes for outgoing RPC connections to a remote print spooler Use authentication for outgoing RPC over named pipes connections: -- "Default": By default domain joined computers enable RPC authentication for RPC over named pipes while non domain joined computers disable RPC authentication for RPC over named pipes -- "Authentication enabled": RPC authentication will be used for outgoing RPC over named pipes connections -- "Authentication disabled": RPC authentication will not be used for outgoing RPC over named pipes connections If you disable or do not configure this policy setting, the above defaults will be used.