This issue has been closed as 'Won't Fix' due to an extended period of time without updates. If this issue is important to you please let us know by posting on the AnswerHub or UDN, and Epic will re-open the ticket for further review.
Particle system light's module does not use Lighting Channels. The particle system itself will accept lighting from it's assigned lighting channels but the lights spawned from the particle system, no matter the quality or shadow setting for lights, do not work as expected.
Tested with:
4.11.2 CL-2946394
4.12.5 CL-3039270
Dev-Main 4.13 CL-3050663
1. Create a new Particle system and add a Light Module
2. Adjust the Light Module so that it has a brighter light and bigger radius
3. Add the Particle System to the Scene and in the Details panel set no light channels
Regression: No
Expected: The light channels should work with Particle Lights when they have been set for the Particle System in the level.
Results: Particle Lights do not use lighting channels when they've been assigned.
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