I have problems with non responding SNMP too. Our version is 9.16.19 and HW is FPR-2130 and sometimes some contexts started to ignore SNMP requests. In this case I delete SNMP configuration at affected contexts or switch failover active member, reboo...

This command "show system reset-reason" does not work for me too. Cisco IOS "show version" shows reload reason so I was looking for similar command for Firepower. It seems it does not exist.

I met the same issue and our ASA version is 9.16(2)14. Someone in another discussion suggested a reboot and it helped. So I suppose the problem is related to the current state of the firewall where it is not possible to add another ssh users on some ...

I got similar error and based on previous hint about wrong logging options I found that regional letters were used in a rule name. After changing to pure ASCII the script continued in rule processing and the rule that had failed was processed correct...

The same situation with Cisco Prime 3.4.0 - I have connected Firepower chassis 2100 with ASA image and virtual contexts and it is still the same - Unsupported device. Credential verification is successful.