FIM Synchronization Service is the oldest member of the FIM family. Anyone who has worked with MIIS back in 2003 will feel quite at home with it. Visually, the management tools look the same.
FIM Synchronization Service can actually work by itself, without any other component of FIM 2010 R2 being present. You will then basically get the same functionality as MIIS had, back in 2003.
FIM Synchronization Service is the heart of FIM, which pumps the data around, causing information about identities to flow from one system to another.
Let's look at the pieces that make up the FIM Synchronization Service:
As you can ...