Powershell 3.0 - Workflows - Limit number of parallel execution

There is an option to limit the number of parallel processes in a foreach-parallel loop using -throttlelimit N. It's great for reducing the parallelism, but if you try a high number the system may still limit you to 5, depending on all your software versions (YAY! Microsoft consistency). I know the question is old, but since it came up on Google without a decent answer, I thought I'd chime in.

Workflow Create-VM {  $List = 1..500  foreach -parallel -throttlelimit 4 ($Elem in $List)  {      # Create VM ...      # Configure created VM ..  }}Create-VM

A trivial solution is to divide the list into smaller chunks and use that as input for parallel foreach. Like so,

Workflow Create-VM {  $List = 1..500  # Calclulate indexes to get elements 0,3; 4,7; 8,11 and so on  # Use the .. operator to extract those elements from $list and pass  # 'em to foreach -parallel processing part  for($i=0;$i -le $List.Count-4; $i+=4) {     foreach -parallel ($Elem in $list[$i..($i+3)]) {      # Create VM ...      # Configure created VM ..    }   }}

Just wanted to add this detail, ThrottleLimit switch mentioned above is available in Powershell v4.0, its not available in v3.0. We have a mix of 2.0 and 3.0 servers