http error 403.14 – forbidden: the web server is configured to not list the contents of this directory. Mvc

When we publish MVC application to IIS sometimes we got this error.

Following are the possible causes/ fixes for this 

·        Make sure the Application pool targets correct version of .NET framework (i.e .NET Framework v4.0.30319 for .NET 4 and 4.5)

·        Make sure the Pipeline mode of IIS Application pool is "Integrated"

·        Check UrlRoutingModule-4.0 is added in the modules of that website, if not add following into Web.config module section.

<add name="UrlRoutingModule-4.0"
           type="System.Web.Routing.UrlRoutingModule"
            preCondition="" />
<remove name="FormsAuthenticationModule" />

·        Make sure you have following element added in system.webServer section of website's web.config

<system.webServer>

<modules runAllManagedModulesForAllRequests="true"></modules> 

</system.webServer>