TenantLens

1.3.2

Collectors/ManagedDevices.ps1

@{
    Name           = 'ManagedDevices'
    FileName       = 'managedDevices'
    ApiVersion     = 'v1.0'
    RequiredScopes = @('DeviceManagementManagedDevices.Read.All')
    Description    = 'Intune managed device inventory: sync recency, encryption, compliance and OS support state.'
    Collect        = {
        $staleThresholdDays = 30
        $devices = @(Invoke-TLGraphRequest -Uri '/v1.0/deviceManagement/managedDevices?$select=id,deviceName,operatingSystem,osVersion,complianceState,lastSyncDateTime,isEncrypted,managementAgent,userPrincipalName&$top=999' -All)
        $staleThreshold = [DateTime]::UtcNow.AddDays(-1 * $staleThresholdDays)

        $staleCount = 0; $notEncryptedCount = 0; $nonCompliantCount = 0; $unsupportedOsCount = 0
        foreach ($device in $devices) {
            $isStale = $false
            if ($device.PSObject.Properties['lastSyncDateTime'] -and $device.lastSyncDateTime) {
                $isStale = ([DateTime]$device.lastSyncDateTime).ToUniversalTime() -lt $staleThreshold
            }
            if ($isStale) { $staleCount++ }

            if (-not [bool]$device.isEncrypted) { $notEncryptedCount++ }
            if ([string]$device.complianceState -eq 'noncompliant') { $nonCompliantCount++ }

            # Windows 10 (builds below 22000) left support in October 2025.
            $isUnsupportedOs = $false
            if ([string]$device.operatingSystem -match '(?i)windows' -and
                [string]$device.osVersion -match '^10\.0\.(\d+)') {
                $isUnsupportedOs = [int]$Matches[1] -lt 22000
            }
            if ($isUnsupportedOs) { $unsupportedOsCount++ }

            Add-Member -InputObject $device -NotePropertyName '_tlStale' -NotePropertyValue $isStale -Force
            Add-Member -InputObject $device -NotePropertyName '_tlUnsupportedOs' -NotePropertyValue $isUnsupportedOs -Force
        }

        $byOperatingSystem = [ordered]@{}
        foreach ($osGroup in ($devices | Group-Object -Property operatingSystem | Sort-Object -Property Name)) {
            $byOperatingSystem[[string]$osGroup.Name] = $osGroup.Count
        }

        @{
            staleThresholdDays = $staleThresholdDays
            summary            = [ordered]@{
                total              = @($devices).Count
                byOperatingSystem  = $byOperatingSystem
                staleCount         = $staleCount
                notEncryptedCount  = $notEncryptedCount
                nonCompliantCount  = $nonCompliantCount
                unsupportedOsCount = $unsupportedOsCount
            }
            devices            = $devices
        }
    }
}