I have network printers that are shared across the network.using win 2003 as server.now on all the computers, the print spooler stops after about 2 or 3 print jobs.it’s giving an error message saying that “the print spooler was unable to contact the printer” with OK button.if i press OK it starts pring.then continue the same story.not for all network printers particularly HP5si,HP5000 series and HP4000 series. The only thing that I have done differnently in this location is upgrade to SP2. Are there any known problems with SP2 and printing.