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tonitodux avatar image
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tonitodux asked YukiSun-MSFT commented

Shared Mailbox permissions to security group not showing in Outlook?

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

office-exchange-server-administration
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michev avatar image
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michev answered tonitodux commented

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

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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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YukiSun-MSFT avatar image
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YukiSun-MSFT answered YukiSun-MSFT commented

Hi @tonitodux,

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
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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
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Thank you, this is what I was looking for.

Have a great day!

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

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