Antivirus programs trade performance from disk, CPU, and network resources for varying levels of protection against malicious software of many kinds. Because the Platform servers are designed to provide high-end disk and network performance, use of some Antivirus programs may degrade performance below acceptable levels, especially when connected via 10GbE networking.
For maximum performance, it's recommended to isolate the Platform and it's clients from outside networks and only use the included Microsoft Defender AV software on the system.
If you must install 3rd Party Antivirus on your server and/or workstations, please consider the following recommendations (options will vary between various AV products but most have some reference to these basic settings):
Recent versions have quarantined and removed components of the Platform Listener client software that are required for a proper connection and performance. It is recommended to exempt the Platform Client listener folder on Windows based PCs from scanning.
Symantec Endpoint has been demonstrated to cause performance issues on 10GbE connected clients and is currently not recommended for deployment on Platform Servers or high bandwidth 10GbE connected workstations.