VS 2012 Project References with Yellow Triangles

Problem

If you have project references with yellow triangles, you should check your build output, look for warnings and read their descriptions.  Probably one would describe why the project reference is marked with a yellow triangle.

Cause

In my case, the cause was due to my new project targeting .Net framework 3.5 by default and the project being referenced was using 4.5.

Solution

So I corrected my project properties so that it targeted 4.5. 

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4 thoughts on “VS 2012 Project References with Yellow Triangles

  1. I was having the same issue and yes, a project that’s in 4.0 that references 4.5 would need to be upgraded to 4.5 as well to resolve the yellow flag (missing references) issue. Thanks for pointing me to the solution.

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