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Error : Unable to connect to the remote server


By Vaibhav - Posted on 24 May 2011

I got "Unable to connect to the remote server error" when I tried to call a webservice that is hosted on some remote machine outside my firewall. I am using a proxy server, and figured it that my application is not aware of the proxy server. So I did some googling and add the following defaultproxy settings under System.net tag in applications web.config file.

 
  <system.net>
    <defaultProxy useDefaultCredentials="true"> 
      <proxy proxyaddress="http://Your Proxy Address:PortNumber" bypassonlocal="True" />
    </defaultProxy>
  </system.net>

useDefaultCredentials Specifies whether the default credentials for this host are used to access the web proxy. The default value is false
bypassonlocal Specifies whether the proxy is bypassed for local resources
proxyaddress Specifies the proxy URI to use

To know your proxy address,

  •  Open your WebBrowser and navigate to Internet Options
  •  Under Connections Tab, open LAN Settings and copy Address and Port no.

      Proxy.PNG

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