Solution #2 Modelling with Portfolio Manager
Portfolio Manager lets multiple projects all work together in the same model.
Each project works in its own dedicated project area, on copies of baseline elements (or copies of planned changes by other projects*), but with impact analysis at every stage of the process, giving you warnings when others are working on the same elements, or have got confirmed, planned changes that you may need to respond to.
Once your project is set up then you just model as usual. Portfolio Manager provides you with additional insights at key points, and whenever you think you just need to check… And your modelling produces summary views for other stakeholders too. So everyone can have early awareness of dependencies, assumptions and risks.
Reducing unplanned impacts and wasted modelling. What’s not to like?
(* see Branching, Promoting and Implementing)