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So you are suggesting that with only 2 puters I could be wasting my time installing Lightning.

Cheers
GG

Bryce Lightning runs like a Client/Slave for Bryce and than Bryce sends jobs to Bryce Lightning to render.

With Bryce v5.1 you can Use both machines to render because Bryce5.1 had an option to allow the main PC to render as well.

With v6.x this option is no longer available which means  Bryce only acts as the render scheduler and wont render itself but only send jobs to other PC's that have Lightning installed.