Outlook 2016 and 2019 Exchange Active Sync Fails - February 2024

I recently ran into an issue where my PCs updated overnight and out of the blue none of them would sync with UCS Kopano over Exchange Active Sync.

After a lot of digging, I found this

I found that the unverified version DOES NOT solve the problem. I am running with the version recommended in the Kopano article with updates disabled.