Server upgrades.
Upgrading the operating system on your home machine is a piece of cake compared to doing it in the server environment, Generally when you care changing a server os, you use a new systems so that if there are issues you can go back to the old system as a failsafe. There are always issues setup up new operating systems especially with hardware drivers, so dealing with that can be fun. When you set up a new system the storage formats are completely different. Some applications will balk at that, In some cases it could be just a permissions problem. Also network printers and input devices have to be set up. Remembering once when we went from Novell to NT printing out student invoices did not work or barely worked. The consulting company said it worked when they tested it, but never really did a mass testing. We ended up pooling printers to make things work well enough till a better fix was done. To add to that scenario, you have to make sure the general permissions of fi...