Configuration With Same Name Already Exists

visual-studio visual-studio-2010 deployment configuration
Josh M. picture Josh M. · Oct 11, 2012 · Viewed 18.5k times · Source

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

  • Debug
  • Debug-QA
  • Release-UAT
  • Release-Production

This allows me to easily setup specific settings for each deployment scenario. However, for some reason I can't get things setup as I'd like. Please see this screenshot:

Screenshot of Configuration Manager

Notice the highlighted projects/configurations. I am unable to create a "Debug-QA" configuration for these projects (by selecting <New> in the cell for that particular project). When I try to add a new "Debug-QA" configuration to the DataUtility project, for instance, Visual Studio yells at me:

This configuration could not be created because a solution configuration of the same name already exists.

I know it does! I'm trying to add the configuration to the project! What am I missing here? I want all projects to have all 5 configuration. I have the same problem when trying to match up (create) platforms (for instance, adding an "Any CPU" platform to the DataUtility project).

Answer

Adam Plocher picture Adam Plocher · Oct 11, 2012

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.

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