Met onderstaande script kun je users vanuit een CSV file inlezen in de active directory

Import-Module ActiveDirectory

Import-Csv "C:\newusers.csv" | ForEach-Object {
New-ADUser -Name $_."Name" `
 -Path $_."ParentOU" `
 -SamAccountName  $_."samAccountName" `
  -AccountPassword (ConvertTo-SecureString "MyPassword123" -AsPlainText -Force) `
 -ChangePasswordAtLogon $true  `
 -Enabled $true `
}