Active Directory Domain Services (AD DS) Reports

Powershell Windows Server

June 28, 2025June 28, 2025msft

Active Directory Domain Services (AD DS) Reports

In this article, we will prepare a report with powershell script in active directory environment.
What will be in the content of this report.

Forest Name
Domains
Forest Functional Level
Global Catalogs
Recycle Bin
Sites
Duplicate SPN
Duplicated DNS Zones (Forest)
Duplicated DNS Zones (Domain)

I am sharing an example screenshot

The script used is as follows

# ===================================
# MSFTADVOCATE.COM REPORTS SCRIPT
# ===================================

Import-Module ActiveDirectory

# Gather AD Information
$forest = Get-ADForest
$domain = Get-ADDomain

$forestName = $forest.Name
$domains = ($forest.Domains) -join ", "
$forestFunctionalLevel = $forest.ForestMode
$globalCatalogs = ($forest.GlobalCatalogs) -join ", "
$sites = (Get-ADReplicationSite | Select-Object -ExpandProperty Name) -join ", "

# Check Recycle Bin Status
$recycleBinStatus = if ($forest.RecycleBinEnabled) { "Enabled" } else { "Not Enabled" }

# Check for Duplicate SPNs
$duplicateSPN = (Get-ADObject -Filter 'servicePrincipalName -like "*"' -Properties servicePrincipalName |
    Select-Object -ExpandProperty servicePrincipalName | Group-Object | Where-Object { $_.Count -gt 1 })

if ($duplicateSPN) {
    $duplicateSPNResult = "Found $($duplicateSPN.Count) group(s) of duplicate SPNs."
} else {
    $duplicateSPNResult = "Found 0 group of duplicate SPNs."
}

# Placeholder for DNS Duplicate Zones (Advanced logic can be added)
$duplicateDNSForest = 0
$duplicateDNSDomain = 0

# Get Current Date and Time
$date = Get-Date -Format "yyyy-MM-dd HH:mm"

# Generate HTML Report
$report = @"
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Active Directory Domain Services (AD DS) Report</title>
    <style>
        body {font-family: Arial, sans-serif; background-color: #f4f4f4; color: #333; padding: 20px;}
        .container {max-width: 900px; margin: auto; background-color: white; padding: 30px;
            border-radius: 10px; box-shadow: 0 0 15px rgba(0,0,0,0.2);}
        h1 {text-align: center; color: #0078D7;}
        p {text-align: center; color: #555;}
        table {width: 100%; border-collapse: collapse; margin-top: 20px;}
        th {background-color: #002147; color: white; text-align: left; padding: 12px; font-size: 16px;}
        td {background-color: #f9f9f9; padding: 12px; border-bottom: 1px solid #ddd;}
        .status-red {background-color: #ff4c4c; color: white; font-weight: bold;}
        .status-green {background-color: #3cb371; color: white; font-weight: bold;}
    </style>
</head>
<body>
    <div class="container">
        <h1>Active Directory Domain Services (AD DS) Report</h1>
        <p>Generated on $date</p>
        <table>
            <tr><th>Property</th><th>Value</th></tr>
            <tr><td>Forest Name</td><td>$forestName</td></tr>
            <tr><td>Domains</td><td>$domains</td></tr>
            <tr><td>Forest Functional Level</td><td>$forestFunctionalLevel</td></tr>
            <tr><td>Global Catalogs</td><td>$globalCatalogs</td></tr>
            <tr><td>Recycle Bin Status</td><td class="$(if($recycleBinStatus -eq 'Not Enabled'){'status-red'}else{'status-green'})">$recycleBinStatus</td></tr>
            <tr><td>Sites</td><td>$sites</td></tr>
            <tr><td>Duplicate SPN Check</td><td class="status-green">$duplicateSPNResult</td></tr>
            <tr><td>Duplicated DNS Zones (Forest)</td><td class="status-green">$duplicateDNSForest</td></tr>
            <tr><td>Duplicated DNS Zones (Domain)</td><td class="status-green">$duplicateDNSDomain</td></tr>
        </table>
    </div>
</body>
</html>
"@

# Save the HTML Report
$path = "C:\AD_DS_Report.html"
$report | Out-File -FilePath $path -Encoding utf8

Write-Host "HTML report has been generated: $path" -ForegroundColor Cyan
Start-Process $path

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Website https://www.msftadvocate.com

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