Add Mailbox Users to Distribution Lists with PowerShell

To add an individual mailbox user to a distribution group in PowerShell that has an owner already assigned, the command will look similar to this… Add-DistributionGroupMember -Identity “DISTRIBUTION_GROUP_NAME” -Member “USER_ALIAS” -BypassSecurityGroupManagerCheck   To add multiple mailbox users to multiple distribution groups, we need to make a CSV file (C:\DistroMembers.csv for this example). The CSV file should…