It is also lifting any restrictions for usage in a render farm when running from the command-line or managed by a render job manager like Backburner. This is a great extension for users of the Mental Ray plugins who depend on network-distributed rendering for more rendering throughput.
It is completely free to use on any number of machines. The Mental Ray Standalone does not require a license anymore. We have very pleasant news for those of you who are frequently rendering on remote machines using Mental Ray Satellite that are connected and controlled from a Maya or 3ds Max plugin: