Streamlabs Desktop - NDI Performance Issues due to Windows Security Updates KB5063878/KB5063709

Date Reported: 

August 12th, 2025

Status: 

Workaround Available

Notes: 

Recent Windows security updates pushed to Windows 10 & 11 have caused degraded RUDP performance resulting in significant performance issues for any users utilizing NDI sources.


Work Around:

  1. Open the NDI Tools Toolbox (You may need to download this from https://ndi.video/tools/)
  2. Open the "Access Manager" application
  3. Navigate to Advanced and change Receive Mode from Auto (Recommended) to Single TCP or UDP (Legacy) and press "Okay". This process will need to be repeated on any other computers that have the affected update installed, this includes both your Sending AND Receiving PC

 

 

 

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