Weird Fog Issue with High Resolution Render

Posted this in multiple groups now with no answer. does anyone know or faced this issue before? I could not find an answer online. This is while using High Resolution Render in Movie Render Queue with volumetric clouds. I am currently using UE5.

Rendering this scene without High Resolution Render works just fine, but my computer is not powerful enough to render this at 8k. It only works if I turn off volumetric cloud. Does High Resolution not work with volumetric clouds?

With Volumetric Cloud


This forum sucks

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Hey there,
usually there shouldnt be a problem with volumetric clouds.
I m working on some issues with the high resolution Render at the moment. And got the Feeling, that it has something to do, with Lumen/Raytracing.

Our results differ between “normal Renderings” and high resolution renderings.
We had nbo issues with our clouds, but with our shadows.

What I would recomend for faster iterations to render it in “normal” HD, you get the same errors as with a larger resolution but a lot faster

All the best, and let me know if you fixed it