How to change the Device Registration Details on my firewall?

Hi, How can I change the Device Registration Details ? Is possible to change the details, after I have done registration? Thank you.
Device Registration fails: Appliance connectivity issue with the license server - Time not set

I tried to register a RMA firewall with SFOS 21 EAP after it has been claimed in Central. It did not work. Either Administration -> "Registration" failed also Sophos Central -> "Sophos Central registration...
IPSEC connection showing this error Couldn't authenticate the local gateway. Check the authentication settings on both devices.

We are trying to setup a IPSEC tunnel between a Sophos Firewall and a ISR4300 After activating its showing error Couldn't authenticate the local gateway. Check the authentication settings on both devices...
SSH Access Doesn't Work

I need to log in to our router via SSH because the web console lacks the ability to disable SIP ALG. But when I try to login it claims my password is wrong - even though I just used it 2 minutes ago...
Sophos site to site VPN changes take long to apply, changes dont apply

Hi All - ive had this issue for over 2-3 years now - when trying to make changes on site to site vpns - either the changes take long to apply, dont apply or need to apply several times. i try to change...