Exchange Online Powershell Add / Remove delegated mailbox

Exchange Online Powershell Add / Remove delegated mailbox

Connect to Exchange Online PowerShell


Set-ExecutionPolicy RemoteSigned
$UserCredential = Get-Credential
$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $UserCredential -Authentication Basic -AllowRedirection
Import-PSSession $Session -DisableNameChecking



**Run this AFTER you are finished any of the commands below**
Remove-PSSession $Session






**To See Mailboxes**
Get-Mailbox



How to add / remove automapping for a shared mailbox in Office 365

(Add delegated mailbox in Outlook)

To do this, follow these steps:
  1. Connect to Exchange Online by using remote PowerShell. For more info about how to do this, go to the following Microsoft website:
  2. Remove full access permissions for the user from the mailbox. This removes automapping. To do this, at the command prompt, type the following command, and then press Enter:
    Remove-MailboxPermission -Identity <Mailbox ID1> -User <Mailbox ID2> -AccessRights FullAccess 
    Note In this command, <Mailbox ID1> represents the mailbox to which the user is granted permissions, and <Mailbox ID2> is the mailbox of the user from whom you want to remove full access permissions.

    For example, to remove full access permissions for an administrator from John Smith's mailbox, use the following command:
    Remove-MailboxPermission -Identity johnsmith@contoso.onmicrosoft.com -User admin@contoso.onmicrosoft.com -AccessRights FullAccess 
    After you run this command, you're prompted to confirm the action:
    Confirm
    Are you sure you want to perform this action?
    Removing mailbox permission "johnsmith@contoso.onmicrosoft.com" for user "admin@contoso.onmicrosoft.com" with access rights 'FullAccess'".
    [Y] Yes [A] Yes to All [N] No [L] No to All [?] Help (default is "Y"): y
  3. Grant full access permissions back to the user for the mailbox, but don't enable automapping. To do this, at the command prompt, type the following command, and then press Enter:
    Add-MailboxPermission -Identity <Mailbox ID1> -User <Mailbox ID2>-AccessRights FullAccess -AutoMapping:$false 
    Note In this command, <Mailbox ID1> represents the mailbox to which the user is granted permission and <Mailbox ID2> is the mailbox of the user to whom you want to add full access permissions.

    For example, to add full access permissions for an administrator to John Smith's mailbox, type the following command, and then press Enter:
    Add-MailboxPermission -Identity johnsmith@contoso.onmicrosoft.com -User admin@contoso.onmicrosoft.com -AccessRights FullAccess -AutoMapping:$false



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