Sorry to get back to this issue: there is a very strange problem now: while I can check that all machines do render the elements, the first few frames (11 to 20) get saved as a pure black image. This is not depending on which machine is rendering nor the scene object (for a given object the same rendernode renders a black image in the first few frames then the following images are correct). Images get saved properly afterwards. Of course elements do get saved properly locally.
Any idea?
olivier