[montag813]

Let's say that there are, conservatively, 1000 servers with 100 different apps running on them. Each server configuration must be patched and then tested before going into production

I dont get your estimates. Once the patch came out, it took us less than 36 hours days to write scripts and patch 450 servers and workstations.

[Knitebane]

I dont get your estimates. Once the patch came out, it took us less than 36 hours days to write scripts and patch 450 servers and workstations.

And you tested every configuration on non-production machines first, right?