ReportViewer control works in development environment but not in IIS 6.0

I have a page with a ReportViewer control that works on my development machine (vs2008) but not in IIS 6.0. What do I need to change in my web.config or in IIS 6.0 to开发者_开发知识库 fix it?

Install the Microsoft Report Viewer 2008 SP1 Redistributable on the new server.