Outlook Social Connector is normal - I have it on my contacts as well.
Microsoft Support has an article on offline address books which may be helpful in this situation..appears you have cached mode turned on (it is by default on the clients) The Outlook Social connector (Free with Outlook 2010/2013) will do what you are asking for.
This article shows how to manually update the Global Address List (GAL) in Outlook (version 2010 and above).
If you're having issues with your Outlook address book, such as a new employee's information not showing up, there may be a simple solution.If you are a system admin that is on the lookout for ways to optimize the smartphone experience, GAL search maybe a weak link.Many organizations prefer to sync the Jamie Gomez has a lab in the basement of the oldest building on campus. You open the contacts icon on your i Phone and discover that he isn’t in your address book.This blog dives into topics related to Unified Contact Management for smartphones in the enterprise.It addresses business continuity, emergency preparedness, DR, productivity, and employee reachability.