Have you tried selecting the option for the program to wait until all printers are connected? Slows the logon down but you will instantly know if that's the 'issue' you and the end users are seeing. . . though as you mention its when swapping between different programs... its a long shot don't suppose it would hurt to try?
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From: thin-bounce@freelists.org on behalf of George Wasgatt
Sent: Thu 18/09/2008 1:32 AM
To: thin@freelists.org
Subject: [THIN] Printers disappearing and sometimes coming back
I'm trying to add new servers to my farm but each time I build a new server people using that server report that their auto created printers disappear and come back again later. I do not have this problem on existing servers and I am building the new servers with the same service packs & patches as the existing servers. The auto created printers are actually still there on the server, it's just that the running published applications lose contact with them for a while. The only common thread we can find is that the printers disappear only after the user start up a published application of IE6. Here's the sequence of events:
User starts Citrix Program Neighborhood (V9, V10, V11 - all tested)
User start Outlook - printers are there & can be printed to
User starts IE published application - printers are there & can be printed to
User clicks back to Outlook Window - printers are gone
User clicks back to IE Windows - printers are there, sometimes later the printer reappears, restart the published app helps too
Environment: Windows 2003 SP1, Citrix 4.0 Enterprise Rollup 1, one farm all servers configured with the same set of published applications
The new servers are either HP BL460c blade servers or VMWare ESX servers. I tried patching the servers to Windows 2003 SP2 & all avalbie patches and bringing Citrix up to Rollup 5 but the problem persists.
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