I read the article about excluding the PI directories, but I would like to install antivirus.
Was this the article you read? KB01062 - Anti-virus Software and the PI System
I haven't seen any complaints about that version of anti-virus specifically. As long as you can exclude files/directories with it, I don't think it should be an issue. If possible, I would recommend testing it on a non-production environment first though.
You can create a real mess (including data loss) if your queues or primary archive get quarantined. It's something to consider.
Please also consider protecting your PI System with application whitelisting.
Here is the associated KB00994 - Whitelisting with AppLocker
Similar to Anti-Virus solutions, there are many to choose from. No compatibility issues have been reported to OSIsoft. Our use of the built-in Windows AppLocker is a side benefit of PI Server Windows Server Logo Certifications.
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