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Windows Security Update affects NDI stability (UDP only)
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vmixsupport  
#1 Posted : Tuesday, August 19, 2025 7:55:03 PM(UTC)
vmixsupport

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Hi all,
Wanted to let you know that a recent Windows Security Update is severely affecting NDI stability on any computer with this update installed. This affects Reliable UDP NDI sources only (and not Normal UDP and TCP). Reliable UDP is what NDI uses by default in most applications.

Please see the link below which explains this in more detail and how to solve:
https://www.vmix.com/knowledgebase/article.aspx/376/windows-update-affecting-ndi-stability

Also see the official link from NDI regarding this issue:
https://docs.ndi.video/all/faq/common-issues/traffic-drops-after-windows-update
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mavik  
#2 Posted : Thursday, August 21, 2025 3:47:37 AM(UTC)
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Thank you soooo much. Much appreciated.
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