title: Trying to create WCF client in Visual Studio 2010
body: <p>I have done the following:</p>
  
  <ol>
  <li>Created ContractInterface in ContractProject</li>
  <li>Created WCFServiceClass in WCFServiceProject which implements ContractInterface with all needed connection definitions:</li>
  </ol>
  
  <p><img src="https://i.stack.imgur.com/vt112.png" alt="enter image description here"></p>
  
  <ol start="3">
  <li>Created ClientProject with all the needed wrappers</li>
  <li><p>Created ConsoleApplication in same solution with all connection definitions and programm which creates client and invokes the wrapper methods.</p></li>
  <li><p>Ran the Console application with Visual studio 2010 like this:
  a. Start Service application
  b. ConsoleApplication
  and it works just fine.</p></li>
  <li>Then I created Excel addin in different solution and referenced ContractProject and Client project with same connection definitions as previous Console application which worked:</li>
  </ol>
  
  <p><img src="https://i.stack.imgur.com/VkrXk.png" alt="enter image description here"></p>
  
  <ol start="7">
  <li>Ran the addin in Visual Studio 2010 like this:
  a. Start Service application in one instance of Visual Studio 2010
  b. Start Addin in different instance of Visual Studio</li>
  </ol>
  
  <p>And I had a following massage:</p>
  
  <p><img src="https://i.stack.imgur.com/4OHac.png" alt="enter image description here"></p>
  
  <p>Can you please tell me what do i do wrong?</p>