GPO policy: "Configure RPC connection settings" under Computer Configuration > Administrative Templates > Printers. Controls whether outgoing RPC connections to remote print spoolers use TCP or named pipes. Default (when unconfigured) is RPC over TCP. Registry: HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Printers\RPC:RpcUseNamedPipeProtocol (REG_DWORD). Reference: Policy CSP - Printers (ConfigureRpcConnectionSettings)
Values
| Enum Value | Description |
|---|---|
|
|
RPC over TCP (registry value 0, default). Outgoing print spooler RPC connections use TCP. More secure and the recommended default since Windows 11 22H2. |
|
|
RPC over named pipes (registry value 1). Outgoing print spooler RPC connections use named pipes instead of TCP. May be required for some legacy environments. |
Used by
ComputerAdministrativeTemplatestype: Computer-specific Administrative Templates (ADMX) settings on an Endpoint.
Example
Example
"RPC_OVER_TCP"