Custom errors show up only locally, but not on remote server

Question

I've created custom errors for my ASP.NET MVC application and for some reason they only show up on my local machine, but when I deploy my application on remote server the default IIS error pages show up (404 and 500) and I would like to understand why it is so. Here is my app configuration:

web.config

<system.web>
    ...
        <customErrors mode="On" defaultRedirect="~/ServerError">
          <error statusCode="404" redirect="~/NotFound" />
        </customErrors>
    ...
</system.web>

Routes configuration

public static void RegisterRoutes(RouteCollection routes)
{
    routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

    routes.MapRoute(
        "Error - 404",
        "NotFound",
        new { controller = "Error", action = "NotFound" }
    );

    routes.MapRoute(
        "Error - 500",
        "ServerError",
        new { controller = "Error", action = "ServerError" }
    );

    routes.MapRoute(
        name: "Default",
        url: "{controller}/{action}/{id}",
        defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
    );
}

Error controller:

public class ErrorController : Controller
{
    [AllowAnonymous]
    public ActionResult ServerError()
    {
        Response.StatusCode = (int)HttpStatusCode.InternalServerError;

        return View();
    }

    [AllowAnonymous]
    public ActionResult NotFound()
    {
        Response.StatusCode = (int)HttpStatusCode.NotFound;

        return View();
    }
}

Global.asax

protected void Application_Error(object sender, EventArgs e)
{
    Response.TrySkipIisCustomErrors = true;
}

Local machine IIS configuration and remote one look similar, but maybe I've missed something and I have to configure it properly as well.

Thanks for any help.

desperate man · Accepted Answer · 2014-10-29 13:55:23Z

1

This solves the problem:

public class ErrorController : Controller
{
    [AllowAnonymous]
    public ActionResult ServerError()
    {
        Response.StatusCode = (int)HttpStatusCode.InternalServerError;

        Response.TrySkipIisCustomErrors = true;

        return View();
    }

    [AllowAnonymous]
    public ActionResult NotFound()
    {
        Response.StatusCode = (int)HttpStatusCode.NotFound;

        Response.TrySkipIisCustomErrors = true;

        return View();
    }
}

answered Oct 29, 2014 at 13:55

desperate man

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