ADFS Metadata Exchange (MEX) Endpoint Issues

This article describes an issue with ADFS where the ADFS MEX endpoint and the CRM Sandbox are both configured to use port 808. The article describes how to change the port.

http://blogs.technet.com/b/bshastri/archive/2014/03/20/dynamics-crm-ifd-on-windows-server-2012-r2-adfs-crm-addin-for-outlook.aspx

This article https://technet.microsoft.com/en-us/library/hh699823.aspx describes the ports used by CRM and supporting software.