FortiNac Stable Version?

Question

We are experiencing persistent database replication failures across our HA cluster and are looking for advice on the most stable release train before we perform a clean rebuild.

Timeline:

v7.6.6: Initial deployment worked for several weeks, but we eventually started encountering internal database errors whenever we tried adding new network switches.
v7.6.7: Upgraded to address the switch-addition errors. The upgrade broke High Availability database replication completely between the primary and secondary nodes.
STS Release: TAC advised upgrading to the Short-Term Support (STS) release, but HA database replication remains broken.

Which version/release train is currently the most stable for FortiNAC-F running HA, 802.1X, and EDR? Is the 7.4.x train the recommended target for production HA stability right now?

Markus_M · Answer

The 7.4 seems to work well. However, the 7.6 would be recommended for new deployments. The 7.6.7 added a migration for RADIUS-only devices. That migration might be causing a headache:
https://docs.fortinet.com/document/fortinac-f/7.6.7/support-for-radius-only-devices/409424/device-migration-guide
Deploying on 7.6.7/STS might be a good choice or 7.6.8 when it comes.

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