Putting together a detailed plan that can be used for multiple simulations prior to go-live is important. It gives you the opportunity to get the go-live plan validated and address any bugs/issues due to missed steps in the release plan. It also allows you to make changes to the plan, gives you more time to review with multiple groups and identify the missing elements, and helps educate the team about the dependencies and the big picture.
Let's discuss how you can plan and execute these go-live activities.