function GetGroupUser{
     param(
         [Parameter(Mandatory=$true)]$group
     )
     Get-ADGroupMember -Identity $group | ForEach-Object {
         if($_.objectClass -eq "group"){
             GetGroupUser $_
         }
         else{
             $_
         }
     }
 }
    
 $Searcher = New-Object DirectoryServices.DirectorySearcher([ADSI]"")
 $Searcher.SearchRoot = 'LDAP://OU=2016,OU=App,OU=Windows,OU=MITS Servers,DC=ad,DC=medctr,DC=ucla,DC=edu'
 $Searcher.Filter = "(objectClass=computer)"
 $Computers = ($Searcher.Findall())
    
 $Results = @()
 md C:\All_Local_Admins
    
 Foreach ($Computer in $Computers){
     $Path=$Computer.Path
     [string]$Name=([ADSI]"$Path").Name
     write-host $Name
     $members =[ADSI]"WinNT://$Name/Administrators"
     try{
         $members = @($members.psbase.Invoke("Members"))
     }
     catch{
         Write-Host "$name is not found"
     }
     $members | foreach {
         $LocalAdmins = $_.GetType().InvokeMember("Name", 'GetProperty', $null, $_, $null)    # Create a new object for the purpose of exporting as a CSV
         $Class = $_.GetType().InvokeMember("Class", 'GetProperty', $null, $_, $null)
         $pubObject = new-object PSObject
         $pubObject | add-member -membertype NoteProperty -name "Server" -Value $Name
         $pubObject | add-member -membertype NoteProperty -name "Administrators" -Value $LocalAdmins
         $pubObject | add-Member -membertype NoteProperty -name "Class" -Value $Class
    
         # Find out if this is a user or group object
         if ($Class -like "User"){
             $Type = "User"
             $aduser = Get-ADuser -Filter {name -eq $LocalAdmins}
             if($aduser){
                 $DisplayName = $aduser.Name
             }
             else{
                 $DisplayName = "Local Account $LocalAdmins"
             }
             $pubObject | add-Member -membertype NoteProperty -name "Display Name" -Value $DisplayName
         }
         else {
             $Type = "Group"
             $DisplayName = GetGroupUser $LocalAdmins | Select -ExpandProperty name
             $pubObject | add-Member -membertype NoteProperty -name "Display Name" -Value $DisplayName
         }
            
         # Append this iteration of our for loop to our results array.
         $Results += $pubObject
     }
 }