MC338988 – REST API for On-Premises Mailboxes Preview Ending

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check before: 2022-03-18

Product:

Exchange, Graph API, Microsoft 365 Apps

Platform:

Developer, Online, Web, World tenant

Status:

Change type:

Retirement

Links:

Details:

Upcoming, we will be retiring the preview program enabling REST API access to on-premises mailboxes for Hybrid Exchange organizations.
Note: This will impact those who write code against Exchange mailboxes.
[Key points]
Timing: Beginning early March 2023, we will begin to return errors for any requests made for mailboxes that remain on-premises.
Action: Use Microsoft Graph for Exchange Online and Exchange Web Services (EWS) for Exchange Server on-premises
Roll-out: tenant level

Change Category:
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Scope:
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Release Phase:

Created:
2022-03-05

updated:
2022-03-05

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Last updated 2 months ago

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