Let me give you a short summary of the versions preceding FIM 2010 R2.
In 1999, Microsoft bought a company called Zoomit. They had a product called VIA—a directory synchronization product. Microsoft incorporated Zoomit VIA into Microsoft Metadirectory Services (MMS). MMS was only available as a Microsoft Consulting Services solution.
In 2003, Microsoft released Microsoft Identity Integration Server (MIIS), and this was the first publicly available version of the synchronization engine today known as FIM 2010 R2 Synchronization Service.
In 2005, Microsoft bought a company called Alacris. They had a product called IdNexus, which was used to manage certificates and smart cards. Microsoft renamed it Certificate Lifecycle Manager (CLM).
In 2007, Microsoft took MIIS (now with Service Pack 2) and CLM and slammed them together into a new product called Identity Lifecycle Manager 2007 (ILM 2007). Despite the name, ILM 2007 was basically a directory synchronization tool with...