Many Xbox users were unable to play games on their consoles for a large chunk of Monday . After engineers resolved the problem, an executive from the division offered some clarity as to what went wrong. Scott Van Vliet, Xbox chief technology officer, said an external licensing service that Xbox and several of its store and publishing partners rely on started to go on the fritz late Sunday night. This caused some sign in scenarios to fail, and it caused many scenarios that require an entitlement...
