Firing these people is nearly impossible. (They have a lot of goodwill within other departments, and they have quite literally worked there for more than 60 years combined.) So I've been tasked with attempting to retrain these people in the next six months. Given they still have to do work (imaging computers and fixing basic issues), what are the best ways of retraining them into basic network, Windows, Mac, Linux, and "cloud" first-level help desk support?
Monster_user had some suggestions -- for example, "Don't overtrain. Select and target areas where they will be able to provide a strong impact." Any other good advice?
Leave your best answers in the comments. What's the best way to retrain old IT workers?