Duplication Detection using CRM SDK

Although CRM provides a duplicate detection process that can be configured using the User Interface, many time when developing application for CRM, such as Import Manager or Synchronization application, you require to create your own duplicate detection rules, execute the duplicate detection process and retrieve the results of the duplicates from within your application.

Bulk Data API ExecuteMultipleRequest in UR12

The ExecuteMultipleRequest message was added to the December 2012 Service Update (UR12) in CRM Online and CRM On-Premise, which accepts a collection of message requests, executes them in the order of the input collection and can return a collection of responses that contain the response for each message that occurred or if an error occurred. The CRM SDK version 5.0.13 is required to use the ExecuteMultipleRequest.