ADFS v2016 cmdlet hang repro

adfs2016cmdlethangrepro.ps1

Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"
$VerbosePreference = "Continue"

# https://social.technet.microsoft.com/Forums/ie/en-US/8553bfcb-6170-4c25-8cb7-0f83e3bb0370/periodic-hangs-when-using-the-builtin-adfs-powershell-cmdlets-in-adfs-v2016?forum=ADFS
$iterations = 50

$sw = [system.diagnostics.stopwatch]::startNew()
$rpNames = 1..50|ForEach-Object { "HangReproRP$_" }
Write-Verbose "Ensuring repro RPs are created..."
foreach ($rpName in $rpNames)
{
    $existingRp = Get-AdfsRelyingPartyTrust -Name $rpName
    if (-not $existingRp)
    {
        $identifier = "https://example.com/$rpName/"
        $wsFedEndpoint = $identifier
        Write-Verbose "RP $rpName does not exist, adding..."
        Add-AdfsRelyingPartyTrust -Name $rpName -Identifier $identifier -WSFedEndpoint $wsFedEndpoint
    }
    else 
    {
        Write-Verbose "RP $rpName exists"
    }
}
Write-Verbose "Repro RPs OK"
Write-Verbose "Querying all RP names..."
$iteration = 1
while ($iteration -le $iterations)
{
   Write-Verbose "Iteration $iteration"
   foreach ($rpName in $rpNames)
   {
       Write-Verbose "Get-AdfsRelyingPartyTrust -Name $rpName"
       $rp = Get-AdfsRelyingPartyTrust -Name $rpName
       Write-Verbose "$($rp.Name) OK"
   }
   $iteration++
}
Write-Verbose "Completed $iterations iterations"
$sw.Elapsed