Does FortiNAC Downgrade support?

[CescCesc]

does fortinac support downgrade?

What is your interpretation of the following comment in the FortiNAC documentation (Typical Scenarios 3.-)?

Is it possible to revert the FortiNAC version on a hardware device? For example: Go from version v9.4.4 to version v9.1.5?

--------- FortiNAC Documentation ------------ 
Database Using CLI
Typical Scenarios:
1.- The disk fails on a RAID-less appliance.
2.- The appliance has been reset to factory defaults, and you want to restore the pre-reset 
remote backup of the database.
3.- You have upgraded the FortiNAC hardware and want to restore the most recent remote 
backup from the previous FortiNAC appliance.
---------------------------------------------

[adambomb1219]

Why would you want to?

[CescCesc]

We need to upgrade our client's fortinac from version v9.1.5 to version v9.4.4. If there are problems in the new version and we want to rollback, how would it be achieved?

[adambomb1219]

I would personally open a TAC case before rolling back. 

[akanibek]

Hi folks, 

there is no downgrade option. You should follow the upgrade instruction, and proper upgrade path. 

Before each upgrading step - make a snapshot of VM.

https://docs.fortinet.com/document/fortinac/9.1.0/upgrade-instructions-and-considerations/808595/ove...