High availability upgrade to a different firmware version

I have a question regarding updating a HA setup from Firmware SFOS 19.5.3 MR-3-Build652 to SFOS 20.0.2 MR2-Build378. Since this is an update to a different version, does the same principle apply here where...
Version 20.02 of Sophos XG for XG 116 with high RAM usage

"After the 20.02 update, all XG 116 firewalls started excessively consuming RAM usage, even in environments with low traffic and queries. I have already opened a ticket with Sophos, but they don't have...
Wildcard FQDN Stopped Working After Upgrade

Hello, Over the holiday weekend we upgraded our XG330's from 19.5.4 to 20.0.2 MR-2-Build378. After the upgrade none of our wildcard FQDN rules are resolving/working. They worked perfectly fine prior...
XG210 upgrade to XGS2100 in HA active-passive configuration

I have a current setup with a pair of XG210 in HA Active-Passive mode and am preparing to upgrade them to XGS2100 in the same HA configuration. I have a configuration backup from the active XG210 and have...
XG125 with 20 MR2 blocks UDP 500/4500 after upgrade from MR1

Hello, i need some help. I have a Branch Office wiht a XG125 and SFOS 20 MR1 up and running. Laptop connects over a APX320 AP and get a WiFi IP Address. Laptop was able to connect through Microsoft...