- Make sure that you have chosen ASP.NET version 4 from your Web Site Panel.
- Visual Studio 2010 supports Crystal reports ver. 13 so you have to use it. Visual Studio 2008 works with Crystal Reports ver. 12 but it is requiring ASP.NET ver. 3 &3.5
- It is necessary to have installed CR on the local station. You need to make sure you download the correct CR version - > CRVS2010 (SP 2) 13.0.2000.0
- Make sure you setup full trust permission on your root folder. The local service permission must be set up on your application pool.
- Make sure the aspnet\_client folder exists on your root folder.

