How to Configure Mailbox Auto-Mapping In Exchange Server 2016 And Exchange Online

In this article, I’ll show you how to configure (enable \ disable) Mailbox Auto-Mapping In Exchange Server 2016 and Exchange Online.

Mailbox Auto-Mapping was first Introduced In Exchange Server 2010 SP3 and was one of the top 10 requested features by Exchange admins and support staff.

Ever since Auto-Mapping has been the default action when you grant a user access to another user mailbox when you do that the mailbox automatically mapped to the user mailbox and he can access it with needing to do anything.

With all the flexibility that comes with it, In some cases, you want to disable automapping and In the cmdlet below I’ll show you.

To disable Mailbox Auto-Mapping run the cmdlet below from the Exchange Shell (In my case I’m giving David full access to Don’s mailbox with automapping disabled)

Add-MailboxPermission -Identity "don Shell" -User "David.hyper" -AccessRights FullAccess -AutoMapping $false

To enable it again, run the same cmdlet with $true.

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