Hi,
please don't say it is obvious, it is not obvious because there is no reference to what safiware needs updating.
For current version pease see signature.
Ian
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There should be an alert in Central itself. Check the Central console about the appliance affected.
Basically this means, one of your firewall has an old version running, which will be not supported due the EOL Announcement earlier this year: see: https://community.sophos.com/sophos-xg-firewall/b/blog/posts/end-of-life-eol-announcement-for-sophos-xg-firewall-os-firmware-v17-5
Interesting. Did you rejoin Central in the last months or is it one connection for ages? Because the certificate needs to be renewed and this error should only pop up, if this process failed or cannot be done.
So to fix this, you could rejoin Central Management, it should generate a new certificate and everything should be fine.
Hi,
the expired licences are for a trial that ended in Nov 2019.
The error message has to do with heartbeat intermediate CA having expired. I don't have heartbeat licence but it gets activated when using CM as a management tool. Not even sure where the CA lives?
Ian
Seems to be something wrong on your appliance. Check the /log/ for the applied Central Logs (https://docs.sophos.com/nsg/sophos-firewall/18.5/Help/en-us/webhelp/onlinehelp/AdministratorHelp/Logs/LogFileDetails/index.html#database )
Then check for indications of the renew process.