KB ID 0001475
Problem
I had to do this a few weeks ago, so I documented it. I had a list of usernames in a CSV file and I needed to bulk-add them to a security group.
Bulk Add Group Users Solution
Firstly you will need the usernames (sAMAccountNames) in .csv format like so, (Note: As a header Im using User-Name.) I’ve saved the file to C:\Temp on my server.
Execute the following commands;
Import-Module ActiveDirectory
Import-Csv -Path “C:\Temp\Users-To-Add.csv” | ForEach-Object {Add-ADGroupMember -Identity “Group-Name” -Member $_.’User-Name’}
And there’s our users;
Bulk Remove Group Users Solution
Use the following command;
Import-Csv -Path “C:\Temp\Users-To-Remove.csv” | ForEach-Object {Remove-ADGroupMember -Identity “Group-Name” -Member $_.’User-Name’ -Confirm:$false}
Now if we check the group, the users have gone;
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