Measure-Command{
 #MyList is the imported CSV containing the users
 #MaxThread is the maxing allowed threads that can be run at one time
 #SleepTimer is the timer used to check threads before continueing
 Param($mylist = (Import-Csv -Path 'D:\Folder\FileName.csv'),
     $MaxThreads = 5,
     $SleepTimer = 5)


 #This will clear any jobs current on the system
 "Killing existing jobs . . ."
 Get-Job | Remove-Job -Force
 "Done."


 #All Variables requiring a count value
 $usertotal = $mylist.Count
 $gcount = $gclist.Count
 $stop = $mylist.count


 #Empty Array
 $myBucket = @()


 #Zeroing of variables
 $tracker = 0
 $gcindex = 0
 $jobCount = 0
 $CurrentThreadCreated = 0
 $myIndex = 0

 #GC section
 $gclist = @("gc1:3268","gc2:3268","gc3:3268")
 $GCone = "gc1:3268"


 foreach ($listitem in $mylist )
 {
    #Building the array, until there is 100 users before proceeding
    $myBucket += $listitem


    #Incrementing the Tracker and MyIndex
    $tracker ++
    $myIndex ++


    if ($tracker -eq 100 )
         {
         #This is used to confirm the current job count against the max jobs allowed
         While ($(Get-Job -state running -Verbose).count -ge $MaxThreads)
         {

         Write-Progress  -Activity "Creating User List" -Status "Waiting for threads to close" -CurrentOperation "$CurrentThreadCreated threads created - $($(Get-Job -state running).count) threads open" -PercentComplete ($CurrentThreadCreated / $mylist.count * 100)


         Start-Sleep -Milliseconds $SleepTimer
         }#While


            $CurrentThreadCreated ++
            $jobCount ++

            #Traker is given the value of 0 so that it can rebuild the array
            $tracker = 0


            #As the index changes, so does the GC that is used in the search
            $sendthisDC = $gclist[$gcindex]


            write-host $sendthisDC $myBucket


            Start-Job -Name JobNumber$Jobcount -ArgumentList $myBucket, $sendthisDC -ScriptBlock{

             foreach($User in $args[0])
                 {


                 $Decode = [system.convert]::frombase64string($User.ImmutableId)
                 $GUID = [GUID]$Decode

                 Get-ADUser -Identity $GUID -Server $args[1] -Properties UserPrincipalName, DistinguishedName


                 }#ForEach

            }#ScriptBlock

            Write-Progress  -Activity "Creating User List" -Status "Waiting for threads to close" -CurrentOperation "$CurrentThreadCreated threads created - $($(Get-Job -state running).count) threads open" -PercentComplete ($CurrentThreadCreated / $mylist.count * 100)


            If ($gcindex -lt 2) { $gcindex ++ } else { $gcindex = 0 }

             $myBucket = @()


        }#If Tracker


                elseif (($tracker -lt 100 ) -and ( $myIndex -eq $stop))
                {

                     While ($(Get-Job -state running -Verbose).count -ge $MaxThreads)
                     {

                     Write-Progress  -Activity "Creating User List" -Status "Waiting for threads to close" -CurrentOperation "$CurrentThreadCreated threads created - $($(Get-Job -state running).count) threads open" -PercentComplete ($CurrentThreadCreated / $mylist.count * 100)


                     Start-Sleep -Milliseconds $SleepTimer
                     }


                    $jobCount ++
                    Start-Job -Name JobNumber$Jobcount -ArgumentList $myBucket,$GCone  -ScriptBlock{

                     foreach($User in $args[0])
                         {


                         $Decode = [system.convert]::frombase64string($User.ImmutableId)
                         $GUID = [GUID]$Decode

                         Get-ADUser -Identity $GUID -Server $args[1] -Properties UserPrincipalName, DistinguishedName


                         }#ForEach

                    }#ScriptBlock


                }#ElseIf


 }




     While(Get-Job -State Running)
     {


     Start-Sleep -Milliseconds $SleepTimer


     }


     #All jobs are saved into a variable and then exported to a file
     $jobs = get-job * | where { $_.Name -like "JobNumber*"}


     foreach ( $singlejob in $jobs ) {


         get-job -Id $singlejob.Id | receive-job |select UserPrincipalName, DistinguishedName | Export-Csv -NoTypeInformation -Delimiter ";" -Path 'D:\folder\file.csv' -Append


     }


 }#Measure