The first half of this 2-part series highlighted why ongoing maintenance is vital for the health of large-scale enterprise systems, especially heading into a substantial upgrade or replacement project as the system reaches end-of-life. We inverted the problem and started describing a recipe for implementing the worst “best” possible enterprise system upgrade project a business could ever want.

Enterprise software delivery for large-scale projects is complex. It requires substantial time and financial resources to complete, whereas a single system can cost millions of dollars and take years to deliver.