[WARN-603] Let's Encrypt certificate renewal failed accessing Let's Encrypt service

I am getting this after doing some updates. It seems to be timing out. It is on Sophos UTM 9.720-5. It is a SG210. Any help or suggestions would be great or if you need some addition info let me know...
UTM 9 software as ProtonVPN client

This question hasn't been asked in 7 years. Has anyone gotten this to work. Essentially, I'd like Proton to be the parent proxy for the UTM. Thanks!
Authenticate/Decrypt packet error: packet HMAC authentication failed

Hello altogether, we still have a UTM here in version 9.719-3. We also have the latest Connect Client. There is now one employee, at least I only know of one, who keeps getting the message “Authenticate...
Automate VPN

HI all, I'm trying to configure my Sophos UTM9 firewall to automatically switch the VPN to the secondary line if the primary line goes down. I currently have two internet connections, with WAN1 (5...
Sophos SSL VPN

Can someone please tell me how i download a configuration page of my Sophos set up? Many thanks Daniel