https://community.sophos.com/sophos-xg-firewall/f/discussions/127422/firewall-stopped-syncingHi I was wondering if someone can help. I have recently upgraded the firmware to one of our 3 firewalls. But for some reason sophos central cannot see it after the upgrade and its not synchronized. When I click through to manage the firewall iten-USTelligent Community 12https://community.sophos.com/thread/466681?ContentTypeID=1Mon, 26 Apr 2021 07:02:17 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:1871409f-67ce-4dbc-ac41-eb24eb1e8413yuksun<p>Hi rfcat, thanks for you reply. Ive just looked this morning and it seems it has sync&#39;d itself up. Not sure why it took over an hour to synch back up.</p> <p></p> <p>But at least its back now.</p> <p></p> <p>Thanks again for the advice.</p><div style="clear:both;"></div>https://community.sophos.com/thread/466625?ContentTypeID=1Sat, 24 Apr 2021 09:26:33 GMT4be5eb7d-caa4-4ff5-8e60-8f9463545a35:15fb27f0-a390-406f-ac98-1a4cf0b628e9rfcat_vk<p>Hi yuksum,</p> <p>please delete the firewall CM and recreate it.</p> <p>Ian</p><div style="clear:both;"></div>