title: WCF Message Version
body: <p>We have two WCF services.  One is a service (A) with a method on it that is used to send data to it (push).  The second is a service (B) that sends data to A.  When i send data to A from B i get this error.  Does anyone know what this might mean?</p>
  
  <blockquote>
    <p>The message version of the outgoing message (Soap12
    (<a href="http://www.w3.org/2003/05/soap-envelope" rel="nofollow">http://www.w3.org/2003/05/soap-envelope</a>) AddressingNone
    (<a href="http://schemas.microsoft.com/ws/2005/05/addressing/none" rel="nofollow">http://schemas.microsoft.com/ws/2005/05/addressing/none</a>)) does not
    match that of the encoder (Soap12
    (<a href="http://www.w3.org/2003/05/soap-envelope" rel="nofollow">http://www.w3.org/2003/05/soap-envelope</a>) Addressing10
    (<a href="http://www.w3.org/2005/08/addressing" rel="nofollow">http://www.w3.org/2005/08/addressing</a>)). Make sure the binding is
    configured with the same version as the message.</p>
  </blockquote>