Manager: If we're making so many changes to the system itself, why is this going to be so disruptive to our workflow processes?

You: "The system modification, should minimize the disruptive impact, but it still won't provide a perfect fit. Plus a lot of changes will help to make the process even more efficient. Let us use this time to provide to reduce employee frustration when the system goes live."

Implementation lead time.

Executive buy in$.$

Change management.

user training