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Configure RPC connection settings: registry value RpcUseNamedPipeProtocol and 1 moreComputerHKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC

Policy ID
ConfigureRpcConnectionPolicy
Scope
Computer Configuration
Supported on
At least Windows Server 2016, Windows 10
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Printers

Registry

RpcUseNamedPipeProtocol

REG_DWORDComputer
HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC Current key
Enabled value
Depends on the option value
Element
Protocol to use for outgoing RPC connections:
Options
ItemStored value
RPC over TCP0
RPC over named pipes1
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Printers\RPC]

; Options (use only one)
; RPC over TCP
"RpcUseNamedPipeProtocol"=dword:00000000
; RPC over named pipes
"RpcUseNamedPipeProtocol"=dword:00000001
CMD
:: Options (use only one)

:: RPC over TCP
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC" /v "RpcUseNamedPipeProtocol" /t REG_DWORD /d 0 /f
:: RPC over named pipes
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC" /v "RpcUseNamedPipeProtocol" /t REG_DWORD /d 1 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Force | Out-Null

# Options (use only one)
# RPC over TCP
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Name 'RpcUseNamedPipeProtocol' -PropertyType DWord -Value 0 -Force | Out-Null
# RPC over named pipes
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Name 'RpcUseNamedPipeProtocol' -PropertyType DWord -Value 1 -Force | Out-Null

RpcAuthentication

REG_DWORDComputer
HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC Current key
Enabled value
Depends on the option value
Element
Use authentication for outgoing RPC connections:
Options
ItemStored value
Default0
Authentication enabled1
Authentication disabled2
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows NT\Printers\RPC]

; Options (use only one)
; Default
"RpcAuthentication"=dword:00000000
; Authentication enabled
"RpcAuthentication"=dword:00000001
; Authentication disabled
"RpcAuthentication"=dword:00000002
CMD
:: Options (use only one)

:: Default
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC" /v "RpcAuthentication" /t REG_DWORD /d 0 /f
:: Authentication enabled
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC" /v "RpcAuthentication" /t REG_DWORD /d 1 /f
:: Authentication disabled
reg add "HKLM\Software\Policies\Microsoft\Windows NT\Printers\RPC" /v "RpcAuthentication" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Force | Out-Null

# Options (use only one)
# Default
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Name 'RpcAuthentication' -PropertyType DWord -Value 0 -Force | Out-Null
# Authentication enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Name 'RpcAuthentication' -PropertyType DWord -Value 1 -Force | Out-Null
# Authentication disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows NT\Printers\RPC' -Name 'RpcAuthentication' -PropertyType DWord -Value 2 -Force | Out-Null