Citrix sessions hangs at mapping client drives

ctx_logoToday I had a strange issue with one of my Citrix Terminal Servers. New connections would suddenly hang at the “mapping client drives”
It took ages to login through a normal RDP session. Scouwering the Citrix support forum gave me some useful tips…
It turns out that the Citrix Print Manager Service (cpsvc.exe) was acting dodgy. There are no immediate hints for this in my case (high cpu,memory or eventviewer) I did notice that opening “Printers and Faxes” did not work.
I first tried to stop the cpsvc service which didn’t work.
I then killed the service through task manager en restarted the MS Spooler Service, after that started the cpsvc service and users were able to login immediately. (There were no stuck printjobs in the spooler directory)
This is a server with R02 and some hotfixes, which was already on the list to be reinstalled with R04 and the other hotfixes that Citrix provides after R04.
A few minutes later I saw some eventviewer warnings about some clientprinters that were going to be deleted. (maybe the cause?)
Some other hints I found which might be worth investigating:
- Bad printerdriver
- the cpsvc service running under the local CTX_SmaUser question was raised. You might try running this service when the CTX_SmaUser is a member of the local admin group to see if the server works correctly after this change.

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Tags: Citrix,  mapping client drives,  unable to login,  print driver

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