Office 365 group automatically created from creation of new team's recipients cannot be e-mailed

Eric Frankenberger 1 Reputation point
2020-09-15T20:45:56.14+00:00

I am unable to send an e-mail to a group and have the e-mail appear in each member's individual mailbox. This group was automatically created from a user making a new team in Teams. My goal is to be able to type the group name and e-mail everyone in it a calendar invite or a link to a Teams meeting.

When I try to e-mail the group in Outlook, I am unable to expand the group. It tells me "Cannot perform the requested operation. The command selected is not valid for this recipient. The operation failed." If I try to do this from OWA, the + button by the group name just does nothing, it never expands or throws an error. I am able to click the group and see all 29 users in the group, however.

If I send the e-mail and I go to e-mail trace in the Admin portal, there are 4 e-mails sent - 1 to each of the 3 guests outside of organization that are in the group, and 1 to the group. Because I am unable to expand the group, I can't send them individually. I checked the box for "Subscribed members get conversations and calendar events delivered to their inbox. Otherwise, they'll only see them in the group's inbox." Functionality did not change with the box checked or unchecked.

If I look in groups in Outlook, the group does not appear for me even though I have been both an owner and a member while troubleshooting this. I can't find the group in the discover groups.

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  1. Vasil Michev 104K Reputation points MVP
    2020-09-16T06:40:40.703+00:00

    Teams-enabled groups are by default "hidden from Exchange clients", which might explain the behavior you're observing. Try toggling the corresponding flag via PowerShell: 

    Set-UnifiedGroup blabla -HiddenFromExchangeClientsEnabled:$false
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  2. Sharon Zhao-MSFT 25,081 Reputation points Microsoft Vendor
    2020-09-16T07:47:32.487+00:00

    @Eric Frankenberger ,

    Teams created from scratch after May 2018 are not searchable and are hidden using the property “HiddenFromAddressListsEnabled”.

    This is an admin-controlled setting that can be modified by the Exchange admin as below: 

    Set-UnifiedGroup -Identity "<Group Name>" -HiddenFromExchangeClientsEnabled:$false

    Then, you can invite a group to a scheduled meeting. For more infromation, you can refer to this article: https://video2.skills-academy.com/en-us/microsoftteams/office-365-groups.

    If the response is helpful, please click "Accept Answer" and upvote it.

    Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.

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