I have searched microsoft site and it was no help at all. I am trying to find out if the 70-210 for the MCP has been replaced by 70-270. I am also trying to find out the basic differences. I took a course for the 70-210 but have been concentrating on my CCNA so I put it on the back burner. Now I am ready to get my MCP but don't know which one I need to study for.