$Users = Import-Csv -Path "C:\Users\Administrator\Desktop\Book2.csv"
foreach ($User in $Users)
{
    $Displayname = $User.'Firstname' + " " + $User.'Lastname'
    $UserFirstname = $User.'Firstname'
    $UserLastname = $User.'Lastname'
    $OU = $User.'OU'
    $SAM = $User.'SAM'
    $UPN = $User.'Firstname' + "." + $User.'Lastname' + "@" + $User.'domain.com.local'
    $Description = $User.'Description'
    $Password = $User.'Password'
    New-ADUser -Name "$Displayname" -DisplayName "$Displayname" -SamAccountName $SAM -UserPrincipalName $UPN -GivenName "$UserFirstname" -Surname "$UserLastname" -Description "$Description" -AccountPassword (ConvertTo-SecureString $Password -AsPlainText -Force) -Enabled $true -Path "$OU" -ChangePasswordAtLogon $true –PasswordNeverExpires $false -server domain.com.local
}