New Exchange Users Onboarding

exch_onboarding.ps1

# Create Mailbox via Powershell
# https://docs.microsoft.com/en-us/exchange/recipients/create-user-mailboxes?view=exchserver-2019
# https://docs.microsoft.com/en-us/powershell/module/exchange/mailboxes/new-mailbox?view=exchange-ps

$defaultPassword = ConvertTo-SecureString -String 'Pa$$word1' -AsPlainText -Force
New-Mailbox -Name "Pilar Pinilla" -UserPrincipalName [email protected] -Password -FirstName 'Pilar' -LastName 'Pinilla' -ResetPasswordOnNextLogon $true -OrganizationalUnit "OU=NYC,DC=Contoso,DC=Com"

# How to do in Bulk Create via CSV
# CSV Header - Name,FirstName,LastName,UserPrincipalName,OU
# https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/import-csv?view=powershell-7

Import-CSV ./bulk_creation.csv | Foreach {
  $defaultPassword = ConvertTo-SecureString -String 'Pa$$word1' -AsPlainText -Force
  # Splatter to make it more readable
  # https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_splatting?view=powershell-7
  $arguments = @{
    Name = $_.Name
    FirstName = $_.FirstName
    LastName = $_.LastName
    UserPrincipalName = $_.UserPrincipalName
    Password = $defaultPassword
    ResetPasswordOnNextLogon = $true
    OrganizationalUnit = $_.OU
  }
  
  New-Mailbox @arguments
}