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Enable HTTP/2 on Azure Web Apps

IIS 10.0 in Windows 10 already supports HTTP/2, Azure Web Apps should support it as well.

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    Martin Suchan shared this idea  ·   ·  Flag idea as inappropriate…  ·  Admin →
    started  ·  AdminAzure App Service Team (Admin, Microsoft Azure) responded  · 

    Hi all,

    I’m happy to share that work has officially started to enable HTTP/2 for App Service. We will share a more concrete timeline as it becomes available, but we are hoping for sometime later this year. We really appreciate your patience as we work through multiple dependencies that have to be met before we can fully support HTTP/2.

    Thanks,
    Oded

    89 comments

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      • Nik commented  ·   ·  Flag as inappropriate

        As I understand it, Azure is not running Windows Server 2016 under Web Apps yet

      • Ad G commented  ·   ·  Flag as inappropriate

        Microsoft apparently has started working on this, but refused to give any ETA for http2.

      • Constantin Radulescu commented  ·   ·  Flag as inappropriate

        This change created an outage for our production. We are using SSL and because your configuration dose send "Upgrade " answer into the header the application failed, cause they trying to make an http2 connection over a SSL connection and the h2 frame is NULL. For the ppl that has applications that are affected by this issue, the only solution I could find is to migrate the services on North Europe temporary until I will replace the azure app webservices with a personal solution, so the services wont be affected anymore about this kind of changes. To pass services from http1.1 to http2 should be optionally and not mandatory. I am aware http2 is was better then http 1.1 but you need to take in consideration that we have services on production that are serving millions of requests and we cant migrate so easily this kind of services.

      • Nik commented  ·   ·  Flag as inappropriate

        UK South or UK West? - Can finally stop getting System.Net.Http.WinHttpException: The buffers supplied to a function was too small

      • Linard Moll [MIT-GROUP] commented  ·   ·  Flag as inappropriate

        Some Azure regions support App Service with http/2 since a few days

        - e.g. West Europe supports h2, AppService instances in North Europe don't (yet)

      • trung commented  ·   ·  Flag as inappropriate

        Any updates?

        No progress response since June 16?

        Most of web hosts nowaday support HTTP2, excepts Azure web app. So Azure cloud is certainly not a good option to host a web site.

      • Marco commented  ·   ·  Flag as inappropriate

        Anybody around from Microsoft? Is there any update about this topic?
        Thanks very much

      • Matt commented  ·   ·  Flag as inappropriate

        Hi Oded - any chance of an update on the timeline? We're really keen HTTP 2, but the lack of news since June is frustrating.

        Thanks

      • Sean Feldman commented  ·   ·  Flag as inappropriate

        > but we are hoping for sometime later this year

        4 months later and ~2 months before year end would be nice to have the status updated and give a bit more details. Thank you.

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