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Forward meeting invite using graph API returns NDR in outlook

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Posted on by rbn_nue

Hi Folks,

I'm trying to forward a meeting invite using power automate. I'm utilizing the graph API forward event for the same. Also, for testing purpose, I'm using a trial office 365 E3 tenant.

The flows works fine without any issues, but the forward action is not working. I receive an NDR mentioning that the email failed to deliver. So, the event was not forwarded. If I manually try to forward the event from outlook in web, it works fine. But in power automate it does not successfully forward the invite.

I have to test and make sure this can be done via power automate first before I can move it to production. My flow http action is as below:

Could anyone please help me solve this issue?

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Building flows

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VictorIvanidze 13,081 on at

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Hello, what's value of Employee_ID?

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rbn_nue on at

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Hi @VictorIvanidze ,

Employee_ID is simply the email ID of the user to whom I would like to forward the meeting.

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VictorIvanidze 13,081 on at

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Can you forward a meeting invitation to this email ID using Outlook?

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rbn_nue on at

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Hi @VictorIvanidze ,

I have already mentioned this in my original post. if I manually try to forward the same meeting via outlook it works fine. If I use power automate it throws NDR. I replicated this issue in 2 different trial tenants.

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VictorIvanidze 13,081 on at

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Could you show the full text of NDR?

Also did you try to execute this GRAPH request in the Graph Explorer?

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rbn_nue on at

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Hi @VictorIvanidze ,

I received the same error on Graph explorer as well. Please find the full NDR below:

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VictorIvanidze 13,081 on at

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See https://answers.microsoft.com/en-us/msoffice/forum/all/550-57501-service-unavailable-spam-abuse-detected/5141aeb8-8d7e-41cd-843a-1ddfc2eeeec5

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rbn_nue on at

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Hi @VictorIvanidze ,

I have already tried this. It's useful when you have trouble manually sending/forwarding emails, but will not solve the issue with Graph or Power Automate.

Thank you.

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VictorIvanidze 13,081 on at

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Can you open the Sent Items of your Outlook and compare two meeting requests - one forwarded manually in Outlook and other one forwarded by your flow? Do you see any differences?

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mbesch 4 on at

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@rbn_nue ?

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