“This operation requires IIS integrated pipeline mode.”

Question

I have a web application being developed on Windows 8.1, .NET 4.5.1, IIS 8.5 (under Integrated AppPool), Visual Studio 2013 over the default template that includes ASP.NET I

Answer 1

Press F4 in your Project for the property window. Then change the pipeline mode

Answer 2

This error means the application pool to which your deployed application belongs is not in Integrated mode.

1. Create a new application pool with .NET 4 version selected, and Managed Pipeline mode as Integrated.
2. Change your application's app pool to the above created one and try now.

Answer 3

Try using Response.AddHeader instead of Response.Headers.Add()

Answer 4

I resolved this problem by following steps:

1. Right click on root folder of project.
2. Goto properties
3. Click web in left menu
4. change current port http://localhost:####/
5. click create virtual directory
6. Save the changes (ctrl+s)
7. Run

may be it help you to.

Answer 5

Those who are using VS2012

Goto project > Properties > Web

Check Use Local IIS Web server

Check Use IIS Express

Project Url http://localhost:PORT/