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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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    I have disabled the on access scanning completely, I do intend to turn it on again now we have just upgraded to v10 and will report back on this thread. I have taken the view that since we have AV running on all other servers, and we have cloud AV services for both email and web traffic, we will have to make do with scheduled scans on the Citrix farm as the overhead from on access scanning is a performance killer.  If you find a useable alternative or a config that works please let me know.

    :19583
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  • 0

    I have disabled the on access scanning completely, I do intend to turn it on again now we have just upgraded to v10 and will report back on this thread. I have taken the view that since we have AV running on all other servers, and we have cloud AV services for both email and web traffic, we will have to make do with scheduled scans on the Citrix farm as the overhead from on access scanning is a performance killer.  If you find a useable alternative or a config that works please let me know.

    :19583
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