ASP.NET Application Issue

Question

I have an ASP.NET 2.0 Application (ReadyDesk) setup as an Application in IIS.

The bindings are pointing to: readydeskdev.domain.com
The location of the Application is: C:/inetpub/wwwwroot/ReadyDesk

On the server, I can successfully go to: readydeskdev.domain.com/ReadyDesk/HD/
However, on another computer, not on the server, I cannot hit that Application (URL).
I get a "Internet Explorer cannot display the webpage" error.

The strange thing is I can get to an HTML file or CSS file:
readydeskdev.domain.com/ReadyDesk/HD/test.htm

But not any ASPX file, JS file, or image:
readydeskdev.domain.com/ReadyDesk/HD/Default.aspx

One more thing...
If I view the URL in Firefox externally, it works just fine. This seems to be an issue with Internet Explorer. I have never come across this. Can anyone please help me as I am stumped!

Edit: I am using IIS7

Did you check your firewall rules on the client, server and the network between them? — Oded
– Oded, Commented Mar 15, 2012 at 14:03
@KazR, we have done that as well. Does it matter if it is a virtual server or not? Could that have anything to do with it? — Turp
– Turp, Commented Mar 15, 2012 at 14:10

Neil Thompson · Accepted Answer · 2012-03-15 14:09:03Z

1

Wow, that's an unusual one.

Double check that IE hasn't cached the error page (F5 to reload without the cache, I think)

You can also hit F12 for the IE developer tools which might shed some light on what kind of error you are getting (a 404, a 500 etc).

Amend the web.config to show errors (the debug=true and RemoteErrors=On (I think)

and maybe hit the endpoint with Fiddler. What does Fiddler say?

Request the endpoint [readydeskdev.domain.com/ReadyDesk/HD/Default.aspx] from another site (like the WC3 Validator) - to get an 'external' view of what is going on (and to check the site validates!)

Hope this helps, Neil

answered Mar 15, 2012 at 14:09

Neil Thompson

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4 Comments

Turp Over a year ago

Thanks, Neil. I didn't think about the WC3 Validator, but then again, it is a subdomain that can only be accessed internally. I'll check it out with Fiddler, thanks for the suggestions!

Turp Over a year ago

Using Fiddler, I got the following error: [Fiddler] ReadResponse() failed: The server did not return a response for this request. and the response header is: HTTP/1.1 504 Fiddler - Receive Failure

Neil Thompson Over a year ago

It's not just IE then - which makes a bit more sense. Is the correct version of .NET (2.x) set up in IIS? How about permissions (IIS_IUSRS and so on). I'm pretty sure it's your server setup that's the issue, not the browser.

Turp Over a year ago

It is just IE, that's the issue. With Fiddler open, I hit the URL with Internet Explorer and got the above error. When I closed Internet Explorer and viewed Fiddler when I hit the URL in Firefox, the response header was HTTP/1.1 200 OK

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