HttpWebRequest webexcepton:the remote server returned an error: (407) Proxy authentication Required.

1. Supply the credentials of the currently logged on User to the Proxy object similar to this:

Begin code Change by Jeff                     //  Obtain the ' Proxy ' of the  Default browser.                     IWebProxy theproxy = areq.proxy;                    Print the Proxy Url to the console.                    if (theproxy! = null)                    {//Use the default credentials of the logged on user                        . Theproxy.credentials = CredentialCache.DefaultCredentials;                    }                    End code change by Jeff                     HttpWebResponse Aresp = Areq.getresponse () as HttpWebResponse;

2. Add This property to the <<application>>.exe.config or machine.config file:

<system.net>    <defaultproxy usedefaultcredentials= "true" > </defaultProxy></system.net>

link:http://blogs.msdn.com/b/jpsanders/archive/2009/03/24/ Httpwebrequest-webexcepton-the-remote-server-returned-an-error-407-proxy-authentication-required.aspx

HttpWebRequest webexcepton:the remote server returned an error: (407) Proxy authentication Required.