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HTTP/2 in Plesk for Windows Server

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Kuzma Ivanov
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Plesk for Windows kb: how-to ABT: Group B

Applicable to:

  • Plesk for Windows

Question

  • Does Plesk support HTTP/2 on Windows Server?

  • How to enable HTTP/2 in Plesk for Windows Server?

Answer

HTTP/2 support was introduced in Windows Server 2016 (IIS 10.0) and is enabled by default. No additional actions are required from Plesk side. Previous Windows Server releases (IIS 8.5 and earlier) do not support HTTP/2.

 

To verify that HTTP/2 is enabled:

  1. In a web-browser, open web console ( F12 ) and switch to the Network tab.

  2. Open your website over HTTPS and check the Protocol column.


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Additional Information

Comments

2 comments

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    Sergey Leshtaev

    But if asp core site uses Kestrel, Will IIS 8.5  restrinct communication via http/2?

     

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    Pavel Mikhaylov

    Hello, Sergey,

    HTTP/2 is not available in IIS 8.5. Whatever the application, it will work over HTTP 1.1 only.

    HTTP/2 was introduced in IIS 10 which is available in Windows Server 2016 by default.

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