Have a single site (single machine) ArcGIS Server. Used to serve cached tiles. I upgraded ArcGIS Server to 10.9.1, then to 11.1. I ran the server backup at each stage and have retained them. I have a large direct storage device that holds the arcgisserver folder (with config-store and directories).
Now I want to upgrade the operating system on this machine. How do I do this without creating issues? My hope is that I can rebuild the operating system drive, install arcGIS Server, and then restore from backup.