Running Powershell command from PHP returns blank page

Question

Hi. :-)
I have this script :
<?php
$q = shell_exec('powershell Get-Help');
echo $q;
?>
This works well and gives me output.
But... When I change Get-Help with Get-VM it gives me blank page as ouput. I have simillar problems with other Hyper-V cmdlets.
This is code 1:
<?php
$q = shell_exec('powershell Get-VM');
echo $q;
?>
This code gives me blank page.
Code 2:
<?php
$q = shell_exec('powershell Start-VM 'Vm1'');
echo $q;
?>
This code gives me that it cannot find VM with that name.
What's the problem, what to change in script or system settings.
Note: All this commands WORK and gives me output when I run it from cmd
Things that I did:
 1. Changed execution policy to Unrestricted
 2. Added 2<&1 at the end of shell_exec.
Thanks in advance.

Answer 1

Hi,
I think we should run powershell as adminitrator to get VMs.
Start-Process "$psHome\powershell.exe" -Verb Runas -ArgumentList '-command "Get-VM"'
Regards,
Yan Li
Regards, Yan Li