Add LPT port _windows2003 in Win 2003

This article describes how to add additional LPT ports to a Microsoft Windows Server 2003-based computer.

By default, there are 3 LPT available ports in Windows Server 2003, which are LPT1, LPT2, and LPT3. Additional LPT ports can be added until LPT9. When additional LPT ports are added, the port appears as an available printer port in the Add Printer wizard.

　　How to add an additional LPT port

Click Start \ Run.

Note: Improper use of Registry Editor can cause serious problems that may require you to reinstall your operating system. Microsoft is not guaranteed to resolve problems caused by improper use of the Registry Editor. Using Registry Editor requires your own risk.

Type regedit in the Open box, and then click OK.

Locate and then click the following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Ports

The current LPT port appears in the right pane.

On the Edit menu, point to New, and then click a string value.

Type the new value name. Type lpt#, where # is the ordinal number of the LPT port you want to add, and then press ENTER. For example, type LPT4.

On the File menu, exit Registry Editor.

Click Start \ Run.

In the Open box type cmd, click OK.

Stop and then restart the Spooler service. To do this, type the following command at a command prompt, pressing ENTER after each line:

net stop spooler
net start spooler

Type exit to exit the command prompt.