You have just built a new solution using the Synchronization Service Engine.
You want to validate your exports prior to exporting them into your production data source.
The purpose of this document is to help guide you through different ways to be able to validate your exports before exporting to your production data source. You could utilize just one, or combine them as well to fully ensure that your data goes out correctly.
Evaluation Guide for Forefront Identity Manager 2010 R2 Release Candidate Reporting