PowerShell Script for Generating Active Directory User Accounts

infile.csv

newusers.ps1

# PowerShell Script for Generating User Accounts
Import-Module ActiveDirectory

Function Get-ScriptDirectory
{
  $Invocation = (Get-Variable MyInvocation -Scope 1).Value
  Split-Path $Invocation.MyCommand.Path
}

Function Check-User
{
  param($NameUser)

  try
  {
    $check = get-ADUser -Identity $NameUser

    if($check)
    {
      $exist = 1
    }
    else
    {
      $exist = 0
    }
  }
  catch
  {
   $exist = 0
  }
  return $exist
}

$infile             = Join-Path (Get-ScriptDirectory) users.csv
$outfile            = Join-Path (Get-ScriptDirectory) new_users.txt
$passwordchars      = "abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRTUVWXYZ2346789"
$passwordlenght     = 8
$maxlogonNameLength = 20
$domain             = "domain.name"
$newline            = "`n"

$csvfile = Import-Csv -Path $infile -Delimiter ","

$csvfile | ForEach-Object {
  $logonName     = $_.username
  if ($logonName.Length -gt $maxlogonNameLength) {
    $logonName = $_.username.substring(0, $maxlogonNameLength)
  }
  $principalname = "{0}@{1}" -f $_.username,$domain
  $displayName   = "{0} {1}" -f $_.firstname,$_.lastname
  $rand          = New-Object System.Random($_.username.getHashCode())
  $password      = ""

  1..$passwordlenght | ForEach {
    $password = $password + $passwordchars[$rand.next(0, $passwordchars.Length - 1)]
  }
  $secpassword = ConvertTo-SecureString -asplaintext -force $password

  if (Check-User $logonName) {
    "Login name {0} already exists.$newline" -f $logonName
  }
  else {
    try {
      New-ADUser -Name $displayName -SamAccountName $logonName -DisplayName $displayName -GivenName $_.firstname -Surname $_.lastname -AccountPassword $secpassword -EmailAddress $_.email -CannotChangePassword $true -PasswordNeverExpires $true -UserPrincipalName $principalname -Enabled $true
      "Login name: {0}$newline`Password:   {1}$newline" -f $logonName,$password
    }
    catch {
      "Login name {0} could not be created: $newline`{1}$newline" -f $logonName,$_.Exception.ToString()
    }
  }
} | Out-File $outfile

Write-Host Done

outfile.txt

Login name: bill.gates
Password:   ntE37HddTJ

Login name: steve.ballmer
Password:   duT6wnGEbj