Test-MSIDAzureAdDeviceRegConnectivity.ps1
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<# .SYNOPSIS Test connectivity on Windows OS for Azure AD Device Registration .EXAMPLE PS C:\>Test-MSIDAzureAdDeviceRegConnectivity Test required hostnames .EXAMPLE PS C:\>Test-MSIDAzureAdDeviceRegConnectivity -AdfsHostname 'adfs.contoso.com' Test required hostnames and ADFS server .INPUTS System.String .LINK https://docs.microsoft.com/en-us/samples/azure-samples/testdeviceregconnectivity/testdeviceregconnectivity/ #> function Test-MSIDAzureAdDeviceRegConnectivity { [CmdletBinding()] param ( # ADFS Server [Parameter(Mandatory = $false)] [string] $AdfsHostname ) begin { ## Initialize Critical Dependencies $CriticalError = $null if ($PSEdition -ne 'Desktop' -or !(Test-PsElevation)) { Write-Error 'This command uses a Scheduled Job to run under the system context of a Windows OS which requires Windows PowerShell 5.1 and an elevated session using Run as Administrator.' -ErrorVariable CriticalError return } } process { ## Return Immediately On Critical Error if ($CriticalError) { return } Invoke-CommandAsSystem { param ([string]$AdfsHostname) [System.Security.Principal.WindowsIdentity]::GetCurrent().Name [System.Collections.Generic.List[string]] $listHostname = @( 'login.microsoftonline.com' 'device.login.microsoftonline.com' 'enterpriseregistration.windows.net' 'autologon.microsoftazuread-sso.com' ) if ($AdfsHostname) { $listHostname.Add($AdfsHostname) } $listHostname | Test-NetConnection -Port 443 | Format-Table ComputerName, RemotePort, RemoteAddress, TcpTestSucceeded } -ArgumentList $AdfsHostname -ErrorAction Stop } } |