Session state can only be used when enableSessionState is set to true either in a configuration

Question

I am working on Asp.net MVC 2 app with c# by using vs 2010.I am having below mentioned error when I run my app locally under debug mode.

Error message image is as be

Answer 1

I realise there is an accepted answer, but this may help people. I found I had a similar problem with a ASP.NET site using NET 3.5 framework when running it in Visual Studio 2012 using IIS Express 8. I'd tried all of the above solutions and none worked - in the end running the solution in the in-built VS 2012 webserver worked. Not sure why, but I suspect it was a link between 3.5 framework and IIS 8.