Failed Connection Attempts by FortiESNAC.exe to wrong IP

Dear Fortinet Forum

I have a huge amount of such messages in the FortiCloud - source is the IP of my Windows 10 notebook where the FortiClient is up and running. The destination IP 172.16.16.1 is my previous internet gateway (USG 40) what I have replaced by an 30E. Now I use IP ranges iof 192.168.

After some investigation by the TCPView tool, I found out that the process FortiESNAC.exe is doing these connection attempts. I don't know what this process is doing and if he is needed really.

But how can I change the address or solve the error so there is no more entry with these Failed Connection Attempts ? It looks like only these process is the problem. Internet connection etc. works fine.

Best regards, Martin