title: 'You have a usable connection already' error in Visual Studio 2015 adding Data Source
body: <p>Visual Studio 2015; Windows 10;</p>
  
  <p>In the Data Source Configuration Wizard, trying to add a table from a MySQL install on the network. I get up to this step</p>
  
  <p><a href="https://i.stack.imgur.com/ATm70.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ATm70.png" alt="enter image description here"></a></p>
  
  <p>When I click 'Finish', I then get this error message:</p>
  
  <p><a href="https://i.stack.imgur.com/E8sve.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/E8sve.png" alt="enter image description here"></a></p>
  
  <p>Other SO posts refer to this issue, none are resolved. This is a fresh WinForms project, there is no code written.</p>