In support, we receive a lot of calls surrounding working with multiple partitions. Problems like:
1. I selected another partition, but I am not seeing any data come into the connector space or metaverse when I execute an Import and/or Synchronization
2. I need to pull information from more than one child domain. How can I do that?
Here is a TechNet Wiki that will help explain this information.
How to work with more than one partition in a management agent: http://social.technet.microsoft.com/wiki/contents/articles/7731.how-to-work-with-more-than-one-partition-in-a-management-agent.aspx