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.
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