Make the onprem CU updates NOT break your environment...
MS support tech suggested i post here so i am doing so.
We do our best to avoid putting ourselves into the situation of having to do a CU but unfortunately there was a compliance issue so we had no choice.
Our environment has been down for over 5 weeks now...
Microsoft's suggestion is always to start from scratch but we cannot keep loosing work and as one cannot clone an environment all of the settings are lost as well.
Christian Dyck commented
Which CU on whcih SharePoint Version did you instlall to break your environment? Thanks!