365 Outlook Connector Issue

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Posted on by ltfDre

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Hello everyone,

I have built a canvas app, but when I add a Power Automate flow which use sending an email action, users could not properly give the permission for this Outlook connector. I tried remove the flow from the app and shared it to users, but they always getting this issue even when I removed from the app.

I haven't got this error, only users who is shared the app getting the error. I only know that users e-mails stored on-premises. Is that causing this error, or the connector the limitation because of that?

Also, I shared the screenshot of the screen you can find more detail.

Outlook365 Connector.png

I'm glad if you help me on this. Thanks in advance.

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Building Power Apps

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Verified answer

Mitanshu 1,650 Moderator on at

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This error can occur if the mailbox is on a dedicated Microsoft Exchange Server and is not a valid Microsoft 365 mailbox. To get a valid Microsoft 365 mailbox, submit a request to your Exchange or Global administrator to migrate the mailbox account.

https://learn.microsoft.com/en-us/exchange/troubleshoot/user-and-shared-mailboxes/rest-api-is-not-yet-supported-for-this-mailbox-error

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ltfDre 113 on at

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Firstly, thanks four your answer,

I think is it enough migrate the mailboxes only users will use the canvas app, isn't it?

If it is not approved by my organization or admin, alternatively can I use the SMTP or smth. for the same purpose?

Thanks

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