Hi Jack,

I've rendered animations longer than that. However, I did have an issue recently on a file with large texture maps that seemed draw out the known issue/memory leak in 6.2.1. It would terminate the rendering prior to completion. 

My work around, while there shouldn't be the need for it, was to simply set up the batch queue and specify contiguous frame ranges - breaking the actual animation in to about 6 parts. Then it was just a matter of linking them in post production.

Mark