title: Could not establish trust relationship for the SSL/TLS secure channel - SOAP Service
body: <p>I have a SOAP web service inside that I am calling a <strong>third party secured web service</strong> (it was HTTP earlier now they secured it). they have valid SSL certificate. while calling the third party service I am getting below error,</p>
  
  <p><em>Server was unable to process request. ---> The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel 
  at System.Web.Services.Protocols.WebClientProtocol.GetWebResponse(WebRequest request)
  at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)</em></p>
  
  <p>There are few articles which says TSL 1.2 should be enabled, to check about TSL further, I have below component on my server,
  <a href="https://i.stack.imgur.com/Jt1v8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Jt1v8.png" alt="Registry SSL TSL"></a></p>
  
  <p>Here is third party service call,</p>
  
  <p><a href="https://i.stack.imgur.com/gGEzX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gGEzX.png" alt="enter image description here"></a></p>
  
  <p>Can someone guide me, where should I setup trust relationship ?
  Do I need to modify my code or just some configurations changes needed</p>