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MC447341: Microsoft Graph to Support HTTP/2 as of September 2023

Beginning September 15, 2023, the Microsoft Graph service ( will enable HTTP version 2 (HTTP/2) in addition to HTTP/1.1. for API requests.

MC447341: Microsoft Graph to Support HTTP/2 as of September 2023

When this will happen

September 15, 2023

How this affects your organization

Once implemented, client applications that indicate support for HTTP/2 in their connection request will be able to negotiate HTTP/2 if requested.

While HTTP/2 is backwards-compatible by design, some applications may be impacted by this change. For more information, please visit Microsoft Entra change announcements – September 2022 train.

What you can do to prepare

Message ID: MC447341
Published: 2022-10-17
Updated: 2022-10-17
Platform: Developer, World tenant

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