HPmon printer problems

There seems to be something funny going on with HP. We installed 3 HP 4000T's the other day and we get spoolss.exe errors all the time! As yet no resolution - microsoft don't have an answer, HP don't have an answer. All either could suggest was applying SP4 which we have done (cautiously!) to no avail.
We get the error at the workstation end - after the error occurs everything is fine except for printing - all the printers disapear! Re-booting solves the problem but it eventualy re-occurs.

Is this similar to your experience?

Yes, my problem is similar to that. But once i reboot the printers are gone already. Unless I remove the JetAdmin software. If I do that then the printers are there, but no ports are avaliable (obvisously, b'cos no JetDirect ports anymore!). What I have done is to restore from backup so the ports are all avaliable again, with SP4. This is with JetAdmin 2.5 b'cos I think 3.0 caused the problem, will keep you posted as tomorrow I will reinstall the 8000 drivers (they are probably the cause)

So am I able to use SP 4, with Jet admin?, as this is the required upgrade. We are upgrading an NT 3.51 to NT 4 server -by building another server putting all the print queues on it and then renaming it as the original 3.51 server. Apparently NT 4/SP 3 does not rename print queues when you rename the server so they still have the old UNC path.

There's no problem with applying SP4 to the server. The only thing you need from the SP3 CD is the JetAdmin version on there - you should find that in its own directory on the CD. That version of JetAdmin (even though it's pretty old of course) is the only one that ever worked correctly on my servers.