Support End for Configuration Manager 2007 is Approaching

After that date, no new security updates or non-security updates will be rolled out, and no paid support will be offered beyond that date. Also discontinued is the updating of definitions and engines for Forefront Endpoint Protection 2010; the software company reserves the right to carry out the adjustment without prior notice. 

Microsoft recommends that customers consider switching to Configuration Manager Current Branch (CCB).

Source: Microsoft