It's not the license cost that's keeping these people from upgrading. It's verifying that the hundreds of applications, many of which were built by systems inte

It's not the license cost that's keeping these people from upgrading. It's verifying that the hundreds of applications, many of which were built by systems integrators that you have a strained relationship with that need to work correctly on whatever you're replacing it with. It's training users - some people "need" a two-day offsite seminar and a couple of weeks of reduced workload to transition to a new system. Also, something invariably goes wrong, so you also have to account for lost productivity when that happens.