How to Connect to ASP.NET Development Server Issue

Unable to connect to ASP.Net Development Server issue

I had this problem with VS 2010, and it was as simple as terminating the "WebDev.WebServer40.EXE" process. Although the icon was no longer showing in the system tray, the process was still running.

Unable to Connect to the ASP.NET Development Server VS2010

1. Replace WebDev.WebServer.exe with another exe
   C:\Program Files (x86)\Common Files\microsoft shared\DevServer\9.0\WebDev.WebServer.exe

2. Restart your machine .

I tried every thing before restarting the machine but all failed.

You can use this exe from
http://www.4shared.com/rar/4CXREKtb/WebDevWebServer.html

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ASP.NET Development Server unexpected Authentication required

I don't know how the settings changed, and/or why it was working earlier otherwise, but turning off NTLM Authentication fixes the problem.

Specifically, right clicking the web project in the Solution Explorer > Property Pages > Start Options and uncheck NTLM Authentication and click OK.

ASP.NET development server: external access

The ASP.NET Dev Server will not accept connections issued by other computers because of security reason. I have had faced this kind of situation in the past and as a solution i have found This link.

Which tell us to use “Trace Utility”. Just check out that link. For other alternative solution, please check this SO Link and check the answer given by Jon Galloway.

Cannot connect ASP.NET development server (VS2010) via IP address

The Visual Studio Development Server will only serve pages to the local machine:

From Web Servers in Visual Web Developer:

If you cannot or do not want to use IIS as your Web server, you can
still test your ASP.NET pages by using the ASP.NET Development Server.
The ASP.NET Development Server, which is included with Visual Web
Developer, is a Web server that runs locally on Windows operating
systems, including Windows XP Home Edition. It is specifically built
to serve, or run, ASP.NET Web pages under the local host scenario
(browsing from the same computer as the Web server). In other words,
the ASP.NET Development Server will serve pages to browser requests on
the local computer. It will not serve pages to another computer.
Additionally, it will not serve files that are outside of the
application scope. The ASP.NET Development Server provides an
efficient way to test pages locally before you publish the pages to a
production server running IIS.

The ASP.NET Development Server only
accepts authenticated requests on the local computer. This requires
that the server can support NTLM or Basic authentication.

If you wish to test pages remotely you will need to use IIS or IIS Express.

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