Get-PsIntuneAzureADDevices.ps1

function Get-psIntuneAzureADDevices {
    <#
    .SYNOPSIS
        Return AzureAD device accounts
    .DESCRIPTION
        Return all AzureAD tenant device accounts
    .PARAMETER UserName
        Account for logging into AzureAD
    .EXAMPLE
        Get-psIntuneAzureADDevices
    .NOTES
        Name: Get-psIntuneAzureADDevices
    .LINK
        https://github.com/Skatterbrainz/psintune/blob/master/docs/Get-psIntuneAzureADDevices.md
    #>

    [CmdletBinding()]
    param (
        [parameter()][string]$UserName = $($global:psintuneuser),
        [parameter()][switch]$ShowProgress
    )
    try {
        if ([string]::IsNullOrEmpty($UserName)) { throw "username was not provided" }
        #Get-psIntuneAuth -UserName $UserName
        if ($null -eq $global:aadauth) {
            $global:aadauth = Connect-AzureAd -AccountId $UserName -ErrorAction Stop
        }
        if (!$aadauth) { throw "AzureAD authentication was not completed" }

        Write-Host "Requesting devices from Azure AD tenant" -ForegroundColor Cyan
        $aadcomps = Get-AzureADDevice -All $True
        $acount = $aadcomps.Count
        $dx = 1
        Write-Host "Returned $($acount) devices from Azure AD" -ForegroundColor Cyan
        $aadcomps | Foreach-Object {
            $devname = $_.DisplayName
            $owner   = $null
            $upn     = $null
            if ($ShowProgress) { 
                Write-Progress -Activity "Querying $acount AzureAD devices" -Status "Reading device $dx of $acount : $devName" -PercentComplete $(($dx/$acount)*100) -id 1
            }    
            $devUserId = $($_.DevicePhysicalIds | Where-Object {$_ -match '\[USER\-GID\]'})
            if ($null -ne $devUserId) {
                $userGUID = $devUserId.Split(':')[1]
                $user = $null
                try {$user = Get-AzureADUser -ObjectId $userGUID -ErrorAction SilentlyContinue} catch {}
                if ($null -ne $user) {
                    $owner = $user.DisplayName
                    $upn   = $user.UserPrincipalName
                }
            }
            Write-Verbose "reading properties for: $devname"
            $llogin = $_.ApproximateLastLogonTimeStamp
            if (![string]::IsNullOrEmpty($llogin)) {
                $xdaysOld = (New-TimeSpan -Start $([datetime]$llogin) -End (Get-Date)).Days
            }
            else {
                $xdaysOld = $null
            }
            if (![string]::IsNullOrEmpty($_.LastDirSyncTime)) {
                $xSyncDays = (New-TimeSpan -Start $([datetime]$_.LastDirSyncTime) -End (Get-Date)).Days
            }
            else {
                $xSyncDays = $null
            }
            [pscustomobject]@{
                Name           = $devname
                DeviceId       = $_.DeviceId
                ObjectId       = $_.ObjectId
                Enabled        = $_.AccountEnabled
                OwnerName      = $owner
                OwnerUPN       = $upn
                OSName         = $_.DeviceOSType
                OSVersion      = $_.DeviceOSVersion
                TrustType      = $_.DeviceTrustType
                LastLogon      = $_.ApproximateLastLogonTimeStamp
                LastLogonDays  = $xdaysOld
                IsCompliant    = $($_.IsCompliant -eq $True)
                IsManaged      = $($_.IsManaged -eq $True)
                DirSyncEnabled = $($_.DirSyncEnabled -eq $True)
                LastDirSync    = $_.LastDirSyncTime
                LastSyncDays   = $xSyncDays
                ProfileType    = $_.ProfileType
            }
            $dx++
        }
    }
    catch {
        Write-Error $_.Exception.Message
    }
}