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Title
Error "MailboxNotEnabledForRESTAPI" when trying to set up email alerts using the Microsoft 365 Mail option -
Description
Receiving the following error when trying to configure email alerts using Microsoft 365 Mail:
Code: MailboxNotEnabledForRESTAPI
Message: The mailbox is either inactive, soft-deleted, or is hosted on-premise.
ClientRequestId: AppID
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Cause
An issue with the mailbox in Microsoft O365 -
Resolution
- Try to manually create the Change Auditor API instead of doing it automatically from the Change Auditor Windows client:
https://support.quest.com/kb/4369790 - Verify that the specified mailbox exists in your O365 and that was correctly set up, licensed, and active. This means that is not soft-deleted (A soft-deleted mailbox has been deleted but can still be recovered in Microsoft 365 Admin center), or it is not an On-Premise mailbox (hosted on an on-premise Exchange server and not in the cloud. The REST API only works with mailboxes hosted in Microsoft 365.)
- Try with another mailbox to discard that the issue could be the specified mailbox itself.
- Make sure the sender mailbox address you are using has REST API access and Exchange Online services enabled:
https://learn.microsoft.com/en-us/exchange/troubleshoot/user-and-shared-mailboxes/rest-api-is-not-yet-supported-for-this-mailbox-error
- Try to manually create the Change Auditor API instead of doing it automatically from the Change Auditor Windows client: