Although the most recent update of Windows 11 has changed the network printing from TCP or Named Pipes to RPC, you can follow this guide to switch Network printing between TCP and RPC in Windows 11, should you wish to. It is possible to opt for TCP over RPC using the Local Group Policy Editor and Registry.
How to switch Network printing between TCP and RPC in Windows 11
To switch Network printing between TCP and RPC in Windows 11, follow these methods:
- Using Local Group Policy EditorUsing Registry Editor
To know more about these methods, continue reading.Note: Every method includes more than one sub-section. It is highly recommended to follow all the methods separately.
1] Using Local Group Policy Editor
For your information, you can enforce Kerberos authentication using the same setting in the Local Group Policy Editor.Next, you can set the port for RPC over TCP. To do that, you need to open the Configure RPC over TCP port setting in the Local Group Policy Editor. Following that, choose the Enabled option and set a port accordingly.
Finally, click the OK button to save the change.After making all these changes, it is required to restart your computer to apply them.
2] Using Registry Editor
To configure RPC connection settings using Registry Editor, follow these steps:
HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows NT
As you said earlier, you can configure the RPC listener settings using the Registry Editor as well. To do that, you can follow these steps:
If you want to set the RPC over TCP port, follow these steps:
After that, restart your computer to get all changes instantly.
It depends on how you print using your Windows computer. For example, if you have installed an offline printer, there is nothing called a port for that purpose. However, if it is a network printer, it may use TCP or RPC. For your information, TCP uses 139 (SMB) port for Windows SMB printing works.
What ports are required to print?
Different printers use different ports to communicate with the host computer and client computers. In most cases, you can find them using 2501, 9101, 9600, etc. However, it is not definite that your printer uses the same ports. As the most recent Windows 11 update has opted for RPC, these ports might be different if you use Windows 10.