Add App Outlook to external guest users

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Posted on by EBMRay

905

Hello,

I have a guest user invited to our tenant to be able to access our CRM. For this guest user, we would like to give him the option to synchronize the emails that he will receive in our Dynamics 365 environment.

We already granted the user the below roles and licenses:

Dynamics 365 App for Outlook
Dynamics 365 Sales Enterprise
Exchange License

While approving his mailbox, the only configuration that worked was Incoming Mail and Appointments. As for the outgoing email, it failed because of the below reason that we received from Alerts:

In addition, while trying to add the Outlook App to the external user we got the below error:

What do you advise as a solution to make it work for external users? Or is the best practice to create a forwarding email that is hosted under our tenant and we set up auto-sync?

Any help is greatly appreciated.

Best regards,
EBMRay

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RudyZhang Microsoft Employee on at

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Hi,

Based on the information you provided, I ran the same test and encountered a similar problem to yours. Based on the information from the Alert prompt, it may have something to do with the Exchange Online profile.

Also, for the part of adding an app to an external account, I couldn't test it because I encountered the access denied error, which occurs no matter what role I assign (even global administrator).

I will continue to look into these two issues and will get back to you as soon as possible if I make any progress.

Best Regards,
Rudy Zhang

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EBMRay 905 on at

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Hi @RudyZhang,

Thank you for your reply and for testing the same.

I look forward to your feedback.

Best regards,

EBMRay

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