Configuration Manager Servicing Extension Updated as of September 22, 2014: connect.microsoft.com
System Center 2012 Configuration Manager Servicing Extension provides useful information for maintaining a Configuration Manager environment. Servicing Extension provides the following capabilities:
Notifies you of Configuration Manager updates as they become available, with the ability to filter updates according to which major release they apply to.
Provides details on the sites in your environment, including the last major Configuration Manager version installed and the most recently installed Cumulative Update.
Provides a list of Configuration Manager client versions that may be present in your environment, and makes it easy to create queries to locate these clients.
Provides a built-in RSS reader to display recent blog postings from the System Center Configuration Manager Team Blog and The Configuration Manager Support Team Blog.