How to remove members without mailbox from distribution group in bulk?

Question

DG: Pure Cloud
Members in DG: some users don't have M3/M5 anymore. We'd like to remove these users without mailbox in a specific DG.
Is there a way to achieve it?

Answer 1

@gaiusg

You could have a try with this script (modify OnlineList1 to "Pure Cloud"):

$users = Get-DistributionGroupMember OnlineList1 | where {$_.RecipientType -ne "UserMailbox"}  
  
foreach($user in $users){  
    Remove-DistributionGroupMember -Identity OnlineList1 -Member $user.Name -Confirm:$False  
}  

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Answer 2

$DG='YourDG'
Get-DistributionGroupMember -Identity $DG | Where {$_.RecipientType -inotlike '*Mailbox'} | Remove-DistributionGroupMember -Identity $DG -Confirm:$False

This will:

• Get all members of the distribution group
• Filter all members that are not of the recipient type ending in Mailbox, e.g. MailUser etc.
• Remove members passing that filter from your distribution group