The way that you send requests from BizTalk Server to Dynamics CRM 2011 has changed significantly in this release. In the previous versions of Dynamics CRM, a BizTalk "send" adapter was available for communicating with the platform. Dynamics CRM 2011 no longer ships with an adapter and developers are encouraged to use the WCF endpoints exposed by the product.
Dynamics CRM has both a WCF REST and SOAP endpoint. The REST endpoint can only be used within the CRM application itself. For instance, you can build what is called a web resource that is embedded in a Dynamics CRM page. This resource could be a Microsoft Silverlight or HTML page that looks up data from three different Dynamics CRM entities and aggregates them on the page. This web resource can communicate with the Dynamics CRM REST API, which is friendly to JavaScript clients. Unfortunately, you cannot use the REST endpoint from outside of the Dynamics CRM environment, but because...