Azure AD Sync and Shared mailboxes

Hi Guy's,

I have a query regarding shared mailboxes in an AD sync - office 365 environment, there is no On-Prem Exchange server either.  Is it best practise to create a user in AD, let it sync and then convert to a shared mailbox or create a shared mailbox in office 365 and manage that way?

Cheers

Answer
Answer

Hi FrankLutz,

The two solutions are both OK to create a shared mailbox. It depends on whether you have a requirement to manage the object from your AD. If not, we suggest you create the shared mailbox from Office 365 admin center or Exchange admin center. It is easier to manage it in the cloud. If you need to manage it from your AD, you need to create a common user account, sync it to the cloud and then convert it to a shared mailbox. However, it requires a valid Exchange Online license to provision the mailbox before you convert the mailbox and release the license. Moreover, since you have no on-premises Exchange server, you may need to modify the mail attributes with ADSI editor, which is not officially supported in Office 365.

If anything is unclear, please let us know.

Thanks,
Alex

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Last updated April 9, 2024 Views 25,561 Applies to: