Microsoft Desktop Optimization Pack 2009 R2 is a suite of technologies available as a subscription for Software Assurance customers. MDOP helps to improve compatibility and management (App-V/MED-V), reduce support costs (DEM/DaRT), improve asset management (AIS) and improve policy control (AGPM). It helps to reduce costs by streamlining deployment and PC management and improves end-user uptime with increased IT responsiveness.