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# **************************************************************************
# * This PowerShell script is an example how to update an Active Directory *
# * property on all domaincontrollers in an Active Directory environment.  *
# * This script must run with an user account that has update rights       *
# * for the Active Directory (such as Administrator)                       *
# * This example updates the user image for an user from a local disk      *
# * without using Exchange or Outlook.                                     *
# * (C)Copyright 2014 - 2024 vanSoest.it by Johan van Soest                *
# **************************************************************************

# **************************************************************************
# Set up the variables. 
# This is where you can customize username and image file path.
# **************************************************************************
# Define the Active Directory unique username
$UserName = "johan"
# Define the file path to the user photo
$FilePath = "C:\users\johan\temp\johan-small.jpg"

# **************************************************************************
# Main()
# **************************************************************************

# Clear the screen before writing
cls

# Get a byte array containing the Photo
$Photo = [byte[]](Get-Content $FilePath -Encoding byte)

Write-Host "This PowerShell script updates the photo for user $UserName on all Domain Controllers."

# Load the Active Directory PowerShell provider
Import-Module ActiveDirectory

# Get all the Domain Contollers in a set
$DCs = Get-ADDomainController -filter *

# Set the photo for UserName on all Domain Controllers
ForEach($DC in $DCs){
    Write-Host "Updating server "$DC.HostName
    Set-ADUser -server $DC.HostName $UserName -Replace @{thumbnailPhoto=$Photo}
}