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Asked: 2026-05-10T17:48:49+00:00

I am probably overlooking something really simple here but I am trying to redirect

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I am probably overlooking something really simple here but I am trying to redirect all bad URLs to an action that filters the URL based on conditions and then either 301 redirects to a suitable page or issues a 404 page.

To this end I have a route like this at the end of my route table:

routes.MapRoute('Error', '{*url}', new { controller = 'Main', action = 'Error' });

And an action like this:

public ActionResult Error(string url) {         if (/* Conditions are met... */)         {             Response.Status = '301 Moved Permanently';             Response.AddHeader('Location', /* Destination URL */);             Response.End();         }          Response.StatusCode = 404;         return View(/* 404 page... */)); }

This works perfectly locally.

However, when deployed to IIS6, URLs that don’t include .mvc (e.g. oldfile.php) are never sent to the ASP.NET process for routing.

Is there a simple solution / am I overlooking something?

EDIT : This is related to this question, however under IIS6 URLs without .mvc are not being sent for ASP.NET MVC processing.

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1 Answer

  1. More than likely when you deployed to the Server, ASP.Net is not being invoked.

    I would setup wildcard mapping in IIS so your requests will use ASP.Net to serve the requests.

    Open IIS manager, right-click your app, go to Properties, then Home Directory tab, then click Configuration. Under Wildcard application maps, click Insert (not Add, which is confusingly just above), then enter C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\aspnet_isapi.dll for “Executable”, and uncheck Verify that file exists.

    For more information please visit the source that helped me with this issue at: http://blog.codeville.net/2008/07/04/options-for-deploying-aspnet-mvc-to-iis-6/

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