Shared Mailbox permissions to security group not showing in Outlook?

Tonito Dux 996 Reputation points

Hi,

we use hybrid Exchange environment and I want to give permissions for us IT admins to a shared mailbox. I enter our group and Outlook does not show this Mailbox after some time in Outlook. If I add us as users - then it works.

P.S. The group is Mail-enabled and I can see the group in O365 console with the members.

Could it be that the the groups are not supported?

Cheers

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Answer accepted by question author

Vasil Michev 127K Reputation points • MVP • Volunteer Moderator

Automapping only works when assigning permissions directly to users, it will not work when you assign permissions to a group.

  1. Tonito Dux 996 Reputation points

    Hi michev,

    thank you for you answer. Is there an official documentation from MS that confirms it? I believe you, but I am wondering why couldn't I have find it before I asked here for help.

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1 additional answer

  1. Yuki Sun-MSFT 41,456 Reputation points • Moderator

    Hi @Tonito Dux ,

    In the description part for Full Access in the official link below, it mentions that auto-mapping doesn't work for any kind of group:
    Manage permissions for recipients
    👁 87968-image1.jpg

    In addition, the following thread discusses a similar question, and from the information of the best response there, we can learn that Automapping doesn't work for groups:
    AutoMapping Shared Mailbox based on security group
    👁 87969-image2.jpg

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    1. Tonito Dux 996 Reputation points

      Thank you, this is what I was looking for.

      Have a great day!

    2. Yuki Sun-MSFT 41,456 Reputation points • Moderator

      Happy to know that it helped. Have a good one :)

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