Calling New-PSSession from ASP.NET app fails (creates null object)
param($serverName, $rootPath, $appsToInstall)
$session = Enter-PsSession -ComputerName $serverName

$command = {
param($path,$apps)
$pathtempIISsetup.ps1 $path $apps
}

$output = Invoke-Command -Session $session -scriptblock $command -ArgumentList
   $rootPath,$appsToInstall

Remove-PSSession -Session $session

using (Runspace remoteRunspace = RunspaceFactory.CreateRunspace())
                {
                    remoteRunspace.Open();
                    using (PowerShell ps = PowerShell.Create())
                    {
                        ps.Runspace = remoteRunspace;

                        var cmd = new Command(Path.Combine(ServerPath, "LocalIISSetupLauncher.ps1"));
                        cmd.Parameters.Add("serverName", this.Server.ServerName);
                        cmd.Parameters.Add("rootPath", LocalIisDirectory);
                        cmd.Parameters.Add("appsToInstall", Server.InstalledApplications.ToList().ToArray());

                        ps.Commands.AddCommand(cmd);

                        var results = ps.Invoke();