MBA courses are typically designed to create managers. The programs in MBA courses are designed to analyze what contributed to the success or failures of companies. These case studies help people get a perspective on what might work and what is likely to be challenging.
While knowing what worked and what did not work for others will be generally useful, it is not something that will be a sufficient condition to become a successful entrepreneur.
Being an entrepreneur often requires the individual to create a new path, and a MBA program does not necessarily sharpen these kinds of sills.
Several management school however do recognize that entrepreneurship is a serious career option for students, and their programs do include aspects that will prepare students for an entrepreneurial adventure.
This post is my answer to a question on Quora. Click here.