MC338988 – (Updated) 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, Updated message

Links:

Details:

Updated March 14, 2023: We have updated the timing of this change. Thank you for your patience.
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 June (previously early March), 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:
XXXXXXX ...

Scope:
XXXXXXX ...

Release Phase:

Created:
2022-03-05

updated:
2022-08-27

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changes*

DatePropertyoldnew
2023-03-15MC MessagesUpcoming, 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
Updated March 14, 2023: We have updated the timing of this change. Thank you for your patience.
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 June (previously early March), 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
2023-03-15MC TitleREST API for On-Premises Mailboxes Preview Ending(Updated) REST API for On-Premises Mailboxes Preview Ending
2023-03-15MC Last Updated03/04/2022 18:12:122023-03-14T20:51:48Z
2023-03-15MC MessageTagNamesRetirementUpdated message, Retirement
2023-03-15MC End Time04/26/2023 09:00:002023-07-31T09:00:00Z
2022-09-15MC prepareps://docs.microsoft.com/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oa
ps://docs.microsoft.com/graph/graph-explorer/graph-explorer-overvi
ps://techcommunity.microsoft.com/t5/exchange-team-blog/application-access-policy-support-in-ews/ba-p/211036
ps://techcommunity.microsoft.com/t5/exchange-team-blog/upcoming-changes-to-exchange-web-services-ews-api-for-office-365/ba-p/608055
https://docs.microsoft.com/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oauth
https://docs.microsoft.com/graph/graph-explorer/graph-explorer-overview
https://docs.microsoft.com/graph/use-the-api
https://techcommunity.microsoft.com/t5/exchange-team-blog/application-access-policy-support-in-ews/ba-p/2110361
https://techcommunity.microsoft.com/t5/exchange-team-blog/upcoming-changes-to-exchange-web-services-ews-api-for-office-365/ba-p/608055
2022-08-27MC preparehttps://docs.microsoft.com/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oauth
https://docs.microsoft.com/graph/graph-explorer/graph-explorer-overview
https://docs.microsoft.com/graph/use-the-api
https://techcommunity.microsoft.com/t5/exchange-team-blog/application-access-policy-support-in-ews/ba-p/2110361
https://techcommunity.microsoft.com/t5/exchange-team-blog/upcoming-changes-to-exchange-web-services-ews-api-for-office-365/ba-p/608055
ps://docs.microsoft.com/exchange/client-developer/exchange-web-services/how-to-authenticate-an-ews-application-by-using-oa
ps://docs.microsoft.com/graph/graph-explorer/graph-explorer-overvi
ps://techcommunity.microsoft.com/t5/exchange-team-blog/application-access-policy-support-in-ews/ba-p/211036
ps://techcommunity.microsoft.com/t5/exchange-team-blog/upcoming-changes-to-exchange-web-services-ews-api-for-office-365/ba-p/608055

*starting April 2022

Last updated 1 month ago

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