We are currently testing vMix in combination with Zoom Webinar and Webinar PLUS (one-to-many setup). Our objective is to ensure that attendees see only the vMix transmission (e.g., Output 1) as a clean feed, without any additional Zoom UI overlays, duplicate participant windows, or automated view switching.

Current Issues:
- Duplicate Participant Feeds: When a presenter joins the Zoom meeting, their camera is displayed twice: once as part of our composed vMix layout and a second time as a native Zoom camera feed (Gallery/Speaker view).
- Screen Share Overlays: When a participant uses the native Zoom screen share, a small window appears on top of our main feed, even though we are already capturing and broadcasting that screen content through vMix.
- Inconsistent View Switching: Occasionally, the Zoom view layout changes unexpectedly, minimizing the vMix output to a small thumbnail and focusing on a different participant's camera.


What we have tried so far:
We have experimented with the Spotlight feature and various view configurations within the Zoom client, but we haven't found a combination that forces a "clean feed" for all attendees.


Our Question:
Is there a specific configuration within the vMix Zoom Plugin or the Zoom Admin settings to force the vMix output as the sole and exclusive source for all attendees, preventing Zoom from injecting any additional overlays or switching the focus?


Software Environment:
vMix: UHD v28 & v29
vMix Zoom Plugin: v6.0.11
Zoom License: Webinars & Webinars PLUS


Thanks in advance for your help!

Best regards Hans-Peter