Output from Exec task resulting in build failure

Output from Exec task resulting in build failurehttp://blogs.msdn.com/b/dsvc/archive/2012/02/29/output-from-exec-task-resulting-in-build-failure.aspx[Notice: This blog is based on Visual Studio 2010 SP1] One of our customers sometime back came to us with a strange issue. They were facing the following error as shown in below screenshot… The source of the error was from an MSBuild tasken-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)