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Antivirus Software Configuration Guidelines for Presentation Server

Tuesday, 25 September 2007 by Michel Roth

Al though this support document is nothing earth shattering it is nice to see an "official" statement from Citrix on this. Antivirus Software Configuration Guidelines for Presentation Server provides guidelines for configuring an antivirus software solution in Citrix environments. Of course the bulk of the article is about limiting the overhead virus scanning incurs (because it always does). The article includes specific suggestions on what not to scan. Some of the tips are obvious while others are less obvious. Actually I was kind of impressed with the less obvious suggested location to exclude in the Antivirus that I've decided to list them here.

� Exclude the \Program Files\Citrix folder from being scanned (the heavily accessed local host cache and Resource Manager local database are contained inside this folder)

� If ICA pass-through connections are used, exclude the user�s Presentation Server Client bitmap cache and the Presentation Server Client folders

� If users are connecting to a published desktop, Citrix recommends removing the antivirus-related calls from the HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\Current Version\Run registry key to improve performance.