Test LDAP credentials

ldap-test.ps1

<#
.SYNOPSIS
    Tests LDAP credentials by attempting a bind.

.DESCRIPTION
    This script prompts for LDAP server, username (Distinguished Name or UPN), and password.
    It attempts to bind to the LDAP server and confirms success or failure.

.NOTES
    Author: Your Name
    Requires: Windows PowerShell with access to .NET DirectoryServices
#>

# Prompt for LDAP server and credentials
$ldapServer = Read-Host "Enter LDAP server (e.g., ldap://your-ldap-server or just hostname)"
$baseDN = Read-Host "Enter Base DN (e.g., dc=example,dc=com)"
$cred = Get-Credential -Message "Enter LDAP credentials"

# Compose LDAP path
$ldapPath = "LDAP://$ldapServer/$baseDN"

try {
    # Create DirectoryEntry with credentials
    $ldapEntry = New-Object System.DirectoryServices.DirectoryEntry($ldapPath, $cred.UserName, $cred.GetNetworkCredential().Password)

    # Force bind by accessing a property
    $null = $ldapEntry.NativeObject

    Write-Host "`n✅ LDAP bind successful as '$($cred.UserName)'" -ForegroundColor Green
}
catch {
    Write-Host "`n❌ LDAP bind failed:" -ForegroundColor Red
    Write-Host $_.Exception.Message -ForegroundColor Yellow
}