Powershell – Add Active Directory User to a Group
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Powershell – Add Active Directory User to a Group

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Start-Transcript -Path C:\Temp\Add-ADUsers.log -Append

Import AD Module

Import-Module ActiveDirectory

Import the data from CSV file and assign it to variable

$Users = Import-Csv “C:\Temp\Users.csv”

Specify target group name (pre-Windows 2000) where the users will be added to

You can add the distinguishedName of the group. For example: CN=Pilot,OU=Groups,OU=Company,DC=exoip,DC=local

Import-Csv "C:\Temp\Users.csv"

$Group = “Pilot”

foreach ($User in $Users) {
# Retrieve UPN
$UPN = $User.UserPrincipalName

# Retrieve UPN related SamAccountName
$ADUser = Get-ADUser -Filter "UserPrincipalName -eq '$UPN'" | Select-Object SamAccountName

# User from CSV not in AD
if ($ADUser -eq $null) {
    Write-Host "$UPN does not exist in AD" -ForegroundColor Red
}
else {
    # Retrieve AD user group membership
    $ExistingGroups = Get-ADPrincipalGroupMembership $ADUser.SamAccountName | Select-Object Name

    # User already member of group
    if ($ExistingGroups.Name -eq $Group) {
        Write-Host "$UPN already exists in $Group" -ForeGroundColor Yellow
    }
    else {
        # Add user to group
        Add-ADGroupMember -Identity $Group -Members $ADUser.SamAccountName -WhatIf
        Write-Host "Added $UPN to $Group" -ForeGroundColor Green
    }
}

}
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  • Line 8: Edit the CSV file name and the path.
  • Line 12: Edit the target group.

Credit – https://www.alitajran.com/add-users-to-group-powershell/