MS: Printer Unattended Install on Windows 2003 x64 (64bit)

To install Print Drivers on Windows Server 2003 x64 (64 bit), Terminal Server or Citrix Servers (just the print driver, not the printer):

1) To install a Driver included in the Windows distribution:

start /wait rundll32 printui.dll,PrintUIEntry /ia /m "HP LaserJet 5" /h "x64" /v "Windows XP and Windows Server 2003" /f "%systemroot%\inf\ntprint.inf"

2) To install a OEM Driver NOT included in the Windows distribution:

Follow instructions on this post