The following list shows the minimum (earliest) product software versions that are compatible with FireEye Helix.
Cloud Collector 2.4.16
Communications Broker 1.2.5[1]
CM 8.0
EX 8.0
Cloud HX 4.0 (including Trellix Endpoint Security Agents supported by the Endpoint Security server [HX] release)
You can forward logs from on-premises and virtual HX appliances to Helix. See "Forwarding CEF Logs to Helix and SIEM Solutions" in the appropriate HX Series Deployment Guide.
NX 8.0
To determine interoperability between individual products, refer to your product's Release Notes. Some features may only be available with the latest product software version.
[1] Although earlier versions of the Communications Broker may work with Helix, health statistics are not supported in any release prior to 1.2.5.