High quality particle lights won't behave as expected under these conditions.
Note Having high quality lights unchecked solves this issue however that isn't an option for the licensee due to this bug
The lights being emitted by the particles act as though the emitter is at the Blueprint Actor's origin.
The lights move with the particles being emitted.
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-43474 in the post.