I am interested to know what patching tools organisations are using to update their on prem Sfb deployments? I'm also keen to understand what virtualisation technology was used, Hyper-V, or VMware! Did this affect your choice of patch management tool?
I tend to recommend these servers are hand patched or at least automated in a way that can be controlled. The incorrect patching or rebooting of SfB Servers can cause issues if you are not careful. I blogged about the process I use here: