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JillH
Helper III
Helper III

Flow Suddenly Failing - "Forbidden"

Hi all. I have a complex flow created by a former IT associate; it sends an email when a project's status changes to "Assigned." It's been working for years. As of Monday, I'm receiving a 403 error:

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I am not in IT so - I'm a bit at a loss. The flow itself had not changed. What may have changed is the "from" email. It was coming from one email (let's say oldemail@company.com) to newemail@company.com. From what I can tell in Outlook, oldmail might be forwarding to new email?  Or, they deleted the old one and now it's the new one? I don't know. That swap happened, and it worked on Friday and through Monday, then stopped. 

 

Anyways - any ideas would be appreciated. (PS - I tried putting a ; after the From email - no luck...

5 REPLIES 5
domdom
Helper I
Helper I

Hi @JillH ,

 

I would suggest you to navigate to Microsoft Office 365 admin center (Link shown as below), and make sure the "newemail@compamy.com" account have all the necessary licenses, e.g. Microsoft Power Automate Free/ Office 365 Business Essentials/ Office 365 Business Premium.

 

If might take 3-5 mins for the Sync purpose based on my experience. If still no luck,  just to make sure oldemail@company.com account and newemail@company.com account have the exactly same settings.

 

Microsoft Office 365 Admin Center: https://admin.microsoft.com/ (you might need to login as admin)

 

Cheers,

Dom

 

Thank you! Here... is what the SysAdmin told me (since I don't have admin rights) :

"If it is sending Address only it does not need that and shared mailboxes do not get licensed."

 

Hi @JillH ,

 

'Send Email' function in Microsoft Flow use 'Outlook', for my understanding no matter if it is a shared Mailbox or a personal mail box, that account need to have a license. Would you mind to just let your sys admin give that account a license and try it out?

 

Shared Mailboxes can be also found under Active Users as well.

 

Cheers,

Dom 

Jcook
MVP

Hello,
Can you try clicking on the outlook action and seeing what connection is being used.

Try adding a new connection.
This can be done by clicking on the outlook action, you should see a email address on the bottom right on the action (this is what the connection is set to)
Click on the email address and click add new

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Marifu
New Member

I've received the same "forbidden" error. For me, the adress from which the emails should be sent, didn't exist anymore. What worked for me was: In the "Send an email" action open "advanced options" and changing the "Sent form" field with another email adress (where i had the rights to send emails from). 

 

Good luck!

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