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I'm getting a 400 bad request error message when accessing an ASP.net web api via a url that uses the computer name. When I use localhost it works fine. I'm using the iisExpress for visual studio 2012.

Any help is appreciated! Thanks in advance!

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  • did you try using the FQDN or the IP Address? Commented Jun 20, 2013 at 20:52
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    are you using iis or iis express to host the application? Commented Jun 20, 2013 at 20:55
  • Hello, thank you for taking time to read and respond. I'm using iis express and computer name but not fully qualified. In my hosts file I have my computer name set to 127.0.0.1. I will try using the fully qualified name to see if it helps Commented Jun 25, 2013 at 20:09
  • I tried it with the fully qualified domain name added to my computer name and still get the same error. The reason why I need to use the computer name instead of localhost is that I want to trace it with fiddler. Fiddler will not work with localhost. When I use my computer name, I am able to get fiddler to log but then I get the error "HTTP Error 400. The request hostname is invalid." from the ASP.net web api. Commented Jun 25, 2013 at 20:26
  • How is the site in IIS Express configured? Does it expect a hostname when requests are sent to it? Commented Jul 2, 2013 at 15:46

2 Answers 2

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I found the answer to this from another post on here. I had to update my IISExpress' applicationhost.config file and add a binding with my computer name on it.

The link to the other post is here: Configure IIS Express for external access to VS2010 project

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If you prefer not to change configurations, you can use our free VS extension called Conveyor

https://marketplace.visualstudio.com/items?itemName=vs-publisher-1448185.ConveyorbyKeyoti

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@user3419036 no, it is free. The premium version is $30 that's all.

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