How to connect to TFS through authenticated Web Proxy

To fix this issue you need a custom proxy module that provides the credentials, so I created a simple DLL with this class:

using System;
using System.Net;

namespace Rido.AuthProxy
{
public class AuthProxyModule : IWebProxy
{

    ICredentials crendential = new NetworkCredential("proxy.user", "password");

    public ICredentials Credentials
    {
        get
        {
            return crendential;
        }
        set
        {
            crendential = value;
        }
    }

    public Uri GetProxy(Uri destination)
    {
        return new Uri("http://proxy:8080", UriKind.Absolute);
    }

    public bool IsBypassed(Uri host)
    {
        return host.IsLoopback;
    }

}

}
You should copy this DLL to the %PROGRAMFILES\Microsoft Visual Studio 10.0\Common7\IDE folder, and update the devenv.exe.config file to include the module:

https://blogs.msdn.microsoft.com/rido/2010/05/06/how-to-connect-to-tfs-through-authenticated-web-proxy/