PowerShell provides a way to obtain all Windows versions on all Servers in a domain.
I needed a way to get the Windows versions of all Servers running in the Domain, and this PowerShell script does that very nicely. The Script will determine whether the Server is running a Retail or Evaluation copy and save the results in an HTML file, which will launch shortly after completion.
The results will show like this.
Server Migration Dashboard
2016 Count: 3

2022 Count: 2


Total Servers: 5
Action Required: Windows Server 2016
ARR-01Windows 2016 Datacenter192.168.2.21
Web-01Windows 2016 Datacenter Evaluation192.168.3.1
SQL-01Windows 2016 Datacenter192.168.70.1
Up to date: Windows Server 2022
ARR-02Windows 2022 Datacenter Evaluation192.168.2.22
Web-02Windows 2022 Datacenter192.168.3.2
Run this Script on one of your Desktop Servers that has Active Directory installed.
This will output the results in an HTML-formatted file.
[PowerShell - Server Migration Report.ps1]
CFFCS | CarrzSynEdit: | PS (PowerShell) 

# 1. Get the data

$ServerList = Get-ADComputer -Filter 'OperatingSystem -like "*Server*" -and Enabled -eq $true' `
    -Properties Name, OperatingSystem, IPv4Address | 
    Select-Object Name, OperatingSystem, IPv4Address

# 2. Split the lists and count

$List2016 = $ServerList | Where-Object { $ .OperatingSystem -like "*2016*" } | Sort-Object Name
$List2022 = $ServerList | Where-Object { $ .OperatingSystem -like "*2022*" } | Sort-Object Name
$totalServers = $ServerList.Count

# 3. HTML Styling

$Header = "<style>
    BODY { font-family: 'Segoe UI', sans-serif; padding: 20px; background-color: #f4f4f4; }
    H2 { margin-top: 30px; font-size: 1.2em; }
    .summary-box { display: flex; gap: 20px; margin-bottom: 10px; }
    .stat-card { padding: 10px 20px; background: white; border-radius: 5px; box-shadow: 1px 1px 3px rgba(0,0,0,0.1); }
    
    /* Table Container Styling */
    .container-2016 { border: 4px solid #d9534f; border-radius: 8px; padding: 10px; background: white; margin-bottom: 40px; }
    .container-2022 { border: 4px solid #5cb85c; border-radius: 8px; padding: 10px; background: white; }
    
    TABLE { border-collapse: collapse; width: 100%; }
    TH { text-align: left; padding: 12px; border-bottom: 2px solid #eee; color: #666; font-size: 0.9em; }
    TD { padding: 10px; border-bottom: 1px solid #f0f0f0; }
</style>"

# 4. Function to generate table rows

function Get-HtmlRows($List) {
    $rows = foreach ($item in $List) {
        "<tr><td>$($item.Name)</td><td>$($item.OperatingSystem)</td><td>$($item.IPv4Address)</td></tr>"
    }
    return $rows -join ""
}

# 5. Assemble the Full Report

$FullHtml = "<html><head>$Header</head><body>
    <h1>Server Migration Dashboard</h1>
    
    <div class='summary-box'>
        <div class='stat-card'><b style='color:#d9534f'>2016 Count:</b> $($List2016.Count)</div>
        <div class='stat-card'><b style='color:#5cb85c'>2022 Count:</b> $($List2022.Count)</div>
		<div class='stat-card'><b style='color:#5cb85c'>Total Servers:</b> $totalServers</div>
        </div>
    </div>

    <h2 style='color:#d9534f'>Action Required: Windows Server 2016</h2>
    <div class='container-2016'>
        <table>
            <tr><th>Server Name</th><th>OS</th><th>IP Address</th></tr>
            $(Get-HtmlRows $List2016)
        </table>
    </div>

    <h2 style='color:#5cb85c'>Up to Date: Windows Server 2022</h2>
    <div class='container-2022'>
        <table>
            <tr><th>Server Name</th><th>OS</th><th>IP Address</th></tr>
            $(Get-HtmlRows $List2022)
        </table>
    </div>
</body></html>"

# 6. Save and Open

$FilePath = "D:\Server Migration Report.html"
$FullHtml | Out-File $FilePath
Invoke-Item $FilePath