1. A system for restoring a secondary copy of data generated in a local storage management system to a client in a remote storage management system, the system comprising: a data agent installed on a remote client, wherein the data agent is configured as both (i) a restore-only client of the local storage management system managed by a local storage manager, and (ii) a full-fledged client of the remote storage management system managed by a remote storage manager; wherein the data agent is configured to participate in a restore operation managed by the local storage manager, wherein the source of data for the restore operation is a secondary copy of data generated by a local client in the local storage management system, wherein the destination of the restore operation is the data agent, and wherein the secondary copy is transmitted to the data agent by a media agent component of the local storage management system.