Patent ID: 8386831

Claim:
A Downloadable Conditional Access System (DCAS) headend system, comprising: an Authentication Proxy (AP) server to authenticate a terminal; a DCAS Provisioning Server (DPS) to store and process policy information regarding a transmission of a Secure Micro (SM) Client Software; and an Integrated Personalization System (IPS) server to store the SM Client Software, and to transmit the SM Client Software to the terminal when the terminal is authenticated by the AP server, wherein the AP server receives result information regarding a reception and an installation of the SM Client Software from the terminal, and transmits the result information to the DPS and the IPS server, and wherein the DPS changes policy information related to an error associated with the SM Client Software among the policy information, when the received result information contains error information regarding the error and when a number of terminals that transmit the error information exceeds a reference value.