title: After applying update 2 VisualStudio 2015 Enterprise can't connect to TFS - exception TF205020
body: <p>VisualStudio 2015.1 Enterprise/TFS integration worked fine until VS2015 update 2 was applied.</p>
  <p>Reinstalling/repairing VisualStudio didn't fix the issue, keep getting:</p>
  <blockquote>
  <p>TF205020: Could not connect to server ...... The server returned the following error:</p>
  <p>Could not load type Microsoft.VisualStudio.Services.WebApi.Utilities.UserAgentUtility' from assembly 'Microsoft.VisualStudio.Services.WebApi, Version=14.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.</p>
  </blockquote>
  <p><strong>SETUP:</strong></p>
  <p>VS Enterprise 2015.2
  TFS 2015.2</p>