Does Good Intrapreneur Mean Good Entrepreneur?

Dear Experts, When does a successful intrapreneur (apply similar skills as entrepreneur in their job working for someone else) should become an entrepreneur? Do the skills of one apply to the other? Our Twitter Advice Project (T.A.P.) is no longer an active campaign. To find an answer to the above question, please use the "Search" box in the right-hand column of this website.