Could not load file or assembly 'Microsoft.Owin.Security.Cookies' or one of its dependencies.

Question

I have a fresh MVC5 project made from Visual Studio 2013, which works fine when I try to launch it locally. However, when I publish to my Azure website, I get this front pag

Answer 1

Try to :

1. Upgrading Microsoft.Owin.Security from 2.1.0 to 3.0.0
2. Upgrading Microsoft.Owin.Security.Cookies from 2.1.0 to 3.0.0
3. Upgrading Microsoft.Owin.Security.OAuth from 2.1.0 to 3.0.0

After I have upgraded above packages, the problem is resolved.