HP UPD - System Administrator's Guide HP UPD 5.6.5

12. Any tips for using Microsoft's PrintMig?
Testing has found limitations using the PrintMig tool with both HP and non HP drivers. For the HP UPD,
install the HP UPD first on the target host to register all files and COM objects, then perform the
PrintMig restore onto the host. PrintMig tool has been placed on end of life by Microsoft.
13. What is the first step during upgrade?
Avoiding unintended issues resulting in a change to the shared UNIDRV and postscript files has been an
issue. Updates to these files come unannounced and unplanned through update services, installation of
service packs, .NET framework, or a hot fix from Microsoft that might negatively impact driver upgrades
dependent upon UNIDRV and PSCRIPT version.
Upgrade has several steps that should be followed. To see what version of UNIDRV and PSCRIPT files
are on the system and compare against the version you are about to install, see
Versioning of print
driver shared files on page 239. If the versions are different, this might increase the scope of testing
required for an uneventful upgrade. For the HP recommended upgrade steps, see
Upgrade the HP UPD
on page 47.
14. Is there a tool or method available to force clients to disconnect their print connection to the print
server and re-establish the connection?
A tool for this function can be found in the HP Printer Administrators Resource Kit (HP PARK). To
download the HP PARK, go to
www.hp.com/go/upd and click Download software. Click a print driver,
verify your language, and then click your operating system. From the table that lists the HP Printer
Administrators Resource Kit, click Download.
15. HP UPD displays "HP Universal Printing PDL**" in the Printers folder. How can I make the HP UPD display
the printer model name instead?
A tool for this function can be found in the HP Printer Administrators Resource Kit (HP PARK). To
download the HP PARK, go to
www.hp.com/go/upd and click Download software. Click a print driver,
verify your language, and then click your operating system. From the table that lists the HP Printer
Administrators Resource Kit, click Download.
16. Are there threshholds or guidance limiters to scaling the HP UPD on a single print server?
HP UPD does not have a bounded limit to scale of installation. The recommendation of how many
queues to install on a single server is entirely site dependent. Questions such as this are best answered
by IT administrative policy placing criteria on status and monitoring, server disk/CPU/network IO
utilization rates, print job throughput, peak load times etc. Some very well managed sites with
resources can run 1000 print queues on the right server with redundancy and high availability
requirements satisfied.
17. What does WHQL look at when it breaks: file byte size, date of file, etc?
When the driver is signed, part of the process is creating a hash of the contents of all the files that are
part of the driver, including the .cfg or .cf_ file. If you alter even one bit in any file, the hash breaks.
18. Why am I unable to delete the HP UPD print driver?
The print spooler must be stopped to release the HP UPD print driver. Perform the following on the
command line: C:\NET STOP SPOOLER && NET START SPOOLER.
ENWW HP UPD installation and configuration 209