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The Official Blog Site of the Windows Core Networking Team at Microsoft

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nibanks on Oct 12 2021 12:40 PM
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Dan Cuomo on Sep 27 2021 09:07 AM
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JamesKehr on Aug 25 2021 06:58 AM
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tojens on Aug 24 2021 06:00 AM
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tojens on Jun 29 2021 06:00 AM
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Dan Cuomo on May 27 2021 11:50 AM
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huanyi on May 11 2021 07:56 PM
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nibanks on Apr 14 2021 11:13 AM
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Dan Cuomo on Mar 19 2021 01:46 PM
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jessicaguan on Mar 03 2021 09:00 AM
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Dan Cuomo on Feb 22 2021 11:49 AM
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mkostersitz on Sep 22 2020 07:08 AM
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tojens on Jul 22 2020 06:00 AM
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Dan Cuomo on Jun 05 2020 09:04 AM
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george-guirguis on May 22 2020 06:00 AM
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tojens on May 13 2020 10:00 AM
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Daniel Havey on Apr 28 2020 03:49 PM
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tojens on Apr 01 2020 06:00 AM
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David Schott on Mar 05 2020 06:00 AM
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Dan Cuomo on Feb 03 2020 06:00 AM
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tojens on Nov 17 2019 09:00 PM
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mkostersitz on Oct 08 2019 09:05 AM
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Gabriel Montenegro on Oct 02 2019 06:00 AM
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tojens on Aug 05 2019 06:00 AM
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mkostersitz on Jun 19 2019 06:00 AM
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Dan Cuomo on May 29 2019 06:00 AM
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Harini Ramakrishnan on May 22 2019 11:02 AM
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David Schott on May 15 2019 06:00 AM
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Dan Cuomo on May 08 2019 06:00 AM

Latest Comments

Thank you to everyone for sharing their experiences. We will be publishing another post to help highlight some of the challenges each of you have run into. Please note (I need to write more about this) that the reg key enables the HTTP/3 altsvc frame; it does not add an HTTP response alt-svc header....
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I have tried restarting the server, but I find it is the same on all our Windows Server 2022 web servers, the only way to get QUIC working in Chrome it sending the alt-svc: h3=":443"; header. We are also having to disable QUIC in the IIS bindings on busy websites, or find that msquic.sys driver uses...
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If you changed the settings on "Edit Site Binding" dialogue, you need to restart the OS(http.sys service).
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I have tried setting EnableAltSvc registry and checking the "Require Server Name Indication" on "Edit Site Binding" dialogue and find that it doesn't work, at least not in Chrome, you still have to set the alt-svc: h3=":443"; header for Chrome to use QUIC.
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Set EnableAltSvc registry and check "Require Server Name Indication" on "Edit Site Binding" dialog. Browser will receive AltSvc HTTP/2 protocol message and try to connect over HTTP/3. [Use ASP.NET Core with HTTP/3 on IIS]https://docs.microsoft.com/en-us/aspnet/core/host-and-deploy/iis/http3?view=asp...
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