I have recently inherited server 2012 running exchange 2016 on CU2. I will be updating it to CU19 and applying the emergency patch put out by Microsoft. I am trying to locate the easiest way to backup Exchange or Internet Information Server (IIS) settings. I will be following this write up. Any other pointers are helpful. https://docs.microsoft.com/en-us/exchange/plan-and-deploy/install-cumulative-updates?view=exchserver-2019
