From 245a1ac13f8f5a057d2d21f3e917eee605883a58 Mon Sep 17 00:00:00 2001
From: Thomas De Reyck <thomas@dereyck.eu>
Date: Tue, 8 Apr 2025 12:25:35 +0200
Subject: [PATCH] Added a new report.

---
 .../intune/report_managed_device_versions.ps1 | 106 ++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 microsoft/intune/report_managed_device_versions.ps1
diff --git a/microsoft/intune/report_managed_device_versions.ps1 b/microsoft/intune/report_managed_device_versions.ps1
new file mode 100644
index 0000000..83b2ddc
--- /dev/null
+++ b/microsoft/intune/report_managed_device_versions.ps1
@@ -0,0 +1,106 @@
+Connect-MgGraph -NoWelcome
+
+$Devices = Get-MgDeviceManagementManagedDevice -All
+
+$MacOsTotal = 0
+$WindowsTotal = 0
+
+$WindowsLatestCount = 0
+$WindowsOtherCount = 0
+
+$MacOsLatestCount = 0
+$MacOsOtherCount = 0
+
+$MacOsDevices = @{}
+$WindowsDevices = @{}
+
+ForEach($Device in $Devices) {
+    If($Device.OperatingSystem -like "Windows") {
+        $WindowsTotal += 1
+        If($WindowsDevices[$Device.OSVersion]) {
+            $WindowsDevices[$Device.OSVersion] += 1
+        } Else {
+            $WindowsDevices.Add($Device.OSVersion,1)
+        }
+        
+        If($Device.OSVersion -like "10.0.2*") {
+            $WindowsLatestCount += 1
+        } Else {
+            $WindowsOtherCount += 1
+        }
+        
+    } ElseIf($Device.OperatingSystem -like "macOS") {
+        $MacOsTotal += 1
+        If($MacOsDevices[$Device.OSVersion]) {
+            $MacOsDevices[$Device.OSVersion] += 1
+        } Else {
+            $MacOsDevices.Add($Device.OSVersion,1)
+        }
+        
+        If($Device.OSVersion -like "15.*") {
+            $MacOsLatestCount += 1
+        } Else {
+            $MacOsOtherCount += 1
+        }
+        
+    }
+}
+
+$WindowsResults = $WindowsDevices.GetEnumerator() | Sort-Object -Property Name -Descending
+$MacOsResults = $MacOsDevices.GetEnumerator() | Sort-Object -Property Name -Descending
+
+"<html><head>
+<style>
+    body { font-family: sans-serif; }
+    table, th, td { border: 1px solid black; border-collapse: collapse; }
+    table {font-family: monospace; }
+    th, td {padding-left: 5px; padding-right: 5px;}
+    .version { text-align: right; }
+    .good { color: green;}
+    .bad { color: red;}
+</style>
+</head><body>"
+"<h1>Managed Devices Version Report</h1>"
+"<h2>Windows Devices</h2>"
+"<p>There are <strong>$WindowsTotal</strong> managed Windows devices:"
+"<ul>"
+"<li class='good'>$WindowsLatestCount devices are running Windows 11.</li>"
+"<li class='bad'>$WindowsOtherCount devices are running another version of Windows.</li>"
+"</ul>"
+"</p>"
+
+"<table>"
+"<tr><th>Version</th><th>Number of devices</th></tr>"
+
+ForEach($Result in $WindowsResults) {
+    If($Result.Name -Like "10.0.2*") {
+        "<tr class='good'><td>$($Result.Name)</td><td class='version'>$($Result.Value)</td></tr>"
+    } Else {
+        "<tr class='bad'><td>$($Result.Name)</td><td class='version'>$($Result.Value)</td></tr>"
+    }
+}
+
+"</table>"
+
+"<h2>macOS Devices</h2>"
+"<p>There are <strong>$MacOsTotal</strong> managed macOS devices:"
+"<ul>"
+"<li class='good'>$MacOsLatestCount devices are running macOS Sequoia.</li>"
+"<li class='bad'>$MacOsOtherCount devices are running another version of macOS.</li>"
+"</ul>"
+"</p>"
+
+"<table>"
+"<tr><th>Version</th><th>Number of devices</th></tr>"
+
+ForEach($Result in $MacOsResults) {
+    If($Result.Name -Like "15.*") {
+        "<tr class='good'><td>$($Result.Name)</td><td class='version'>$($Result.Value)</td></tr>"
+    } Else {
+        "<tr class='bad'><td>$($Result.Name)</td><td class='version'>$($Result.Value)</td></tr>"
+    }
+}
+
+"</table>"
+
+"</body></html>"

Version	Number of devices
$($Result.Name)	$($Result.Value)
$($Result.Name)	$($Result.Value)