Configuration With Same Name Already Exists

Question

I have a solution with 10+ projects (VS2010 SP1). I have the following configurations defined in the solution:

• Debug
• Debug-QA
• Release-UAT

Answer 1

Make sure you're using the drop down list from the grid (not the one at the top of the dialog), and do not check the "Create new solution configurations" checkbox when adding your new project configuration.