To register for a test account for the Microsoft pubCenter beta, complete the application at http://advertising.microsoft.com/publisher.
After your Web sites have been approved for the beta program, register for access to the pubCenter beta forum with the steps in the pubCenter Help documentation. http://go.microsoft.com/fwlink/?LinkId=111312
Thank you,
Chris
Chris Norred, online community program manager for Microsoft adCenter, API and publisher programs.