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Sophos on Citrix high cpu utilisation

ajsmith

I am finding significant performance problems with Sophos on our Citrix Xenapp 5 presentation servers (W2k3).  I have recently been seeing very high CPU utilisation - 50%+ for prolonged periods which is killing performance on the servers.  I have a seperate policy for the Citrix servers which includes windows exclusions for the Citrix program folder, UNC for roaming profiles, and the page file drive.  Can anyone share best practice for a successful deployment on Citrix or experience of similar problems and how they can be overcome?

Thanks.

:14191


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    No help here, I'm afraid.  Sophos also pegs our Citrix servers regularly.  It appears to be the RouterNT module, which handles communication between the Sophos server and client machines, and which seems to be a problem that goes back many years, judging by various web postings.  We have worked with Sophos support on the problem and they were unable to offer any solutions.  It's disappointing that they haven't been able to fix their code in all this time.  We are looking for an alternative AV solution that has a good reputation on Citrix.  I have seen F-Secure recommended, but have not tested it myself. 

    :19523
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  • 0

    No help here, I'm afraid.  Sophos also pegs our Citrix servers regularly.  It appears to be the RouterNT module, which handles communication between the Sophos server and client machines, and which seems to be a problem that goes back many years, judging by various web postings.  We have worked with Sophos support on the problem and they were unable to offer any solutions.  It's disappointing that they haven't been able to fix their code in all this time.  We are looking for an alternative AV solution that has a good reputation on Citrix.  I have seen F-Secure recommended, but have not tested it myself. 

    :19523
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