Exchange 2010 – Add All Users to a Distribution List

Using the Exchange Management Shell, you can add all mail-enabled users to a Distribution Group by using the following command.

It will:

  • Add all mail-enabled users to the ‘Human Resources’ distribution list
  • Exclude all other mail object (Discovery Services, Booking Resources, Meeting Room Resources).

foreach($mbx in Get-Mailbox -Filter { RecipientTypeDetails -eq "UserMailbox"}){Get-Mailbox $mbx.identity | Add-DistributionGroupMember -Identity "Human Resources"}

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