Using generic resources during the project planning process is a good practice most of the time. The use of generic resources enables a project to be planned and built prior to your knowing the specific individuals that will eventually be assigned to the work. But what happens when your real project team is finally known? Replacing a generic resource with a single, named resource is usually simple. But what about having to replace one generic resource with multiple named resources? Or having to replace multiple generic roles with a single named resource? This article provides some best practices on how to accomplish the replacement of resources with ease.