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Suggested answer

MS Flow Approval Mail

Posted on by Microsoft Employee

Hi All,

Can someone help with how we can send approval email to addresses with other domains for eg- and not

If I am using, my flow works fine but other than that it throws below error-

BadRequest. The request failed. Error code: 'InvalidApprovalCreateRequestAssignedToNoValidUsers'. Error Message: 'Required field 'assignedTo' contained no valid users in the organization'.

Any help would be appreciated.

Thank You.

  • Suggested answer
    Nishant Rana Profile Picture
    Nishant Rana 45 Microsoft Employee on at
    RE: MS Flow Approval Mail

    Add as a guest user - 

    Below is how we got it resolved in our case

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: MS Flow Approval Mail

    Hi Aric,

    Thank You for your help. It works.

    Can you help me with one more thing ? When I am receiving approval mails in outlook , at that time on click of Approve/Reject button it is opening flows app and I am getting below message-


    I am not able to approve or reject the request because of this.


  • Aric Levin Profile Picture
    Aric Levin 30,184 on at
    RE: MS Flow Approval Mail

    If the users are outside your organization, you should create them as guest user accounts in your Azure AD. That way they will appear in the list of your active users in, and you should be able to send them emails.

    Please check.

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