Microsoft Exchange Server 2016 PowerShell Cookbook - Fourth Edition

How to do it...

To remove disabled Active Directory user accounts from all distribution groups in the organization, use the following code:

$groups = Get-DistributionGroup -ResultSize Unlimited 
 
foreach($group in $groups){ 
 Get-DistributionGroupMember $group |  
  ?{$_.RecipientTypeDetails -like '*User*'} |  
   Get-User | ?{$_.UserAccountControl -match 'AccountDisabled'} |  
    Remove-DistributionGroupMember $group -Confirm:$false 
}