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Outlook Flag Email for Shared Mailbox Broken



I have several Power Automate Flows running against some Shared mailboxes i am assigned to. Once the flow has completed the automation i have a Flag email at the very end to alert that the email has been processed automatically to anyone monitoring the mailbox.


This Flag email was working for around 2 months on multiple flows until around a week ago. all of a sudden this started failing with the following message "This action does not support shared mailboxes."


On the documentation the following is stated "Except for the operations with shared mailbox in their titles, the other operations do not support shared mailboxes as of yet." 


Why has this suddenly changed? like i said, this has been working before. But it looks like the functionallity has changed?



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Community Champion

Hi @JoshuaMitchell, have a look at this: 

Contact me if you are interested in custom Power Automate development.

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