Archived: January 10, 2008
adCenter API Version 5 and Version 4 contain significant differences between the campaign management entities.
Learn more about the campaign management entities and differences between Version 5 and Version 4 at Microsoft adCenter Entities.
The differences between Version 5 and Version 4 are not merely class name changes; plan your migration as a major application rewrite.
Also, consult the Microsoft adCenter API Version 5 Release Notes as you prepare to migrate your applications to Version 5.
Lead Programming Writer
Microsoft adCenter API