Executing a powershell script with Exchange Snap-In via PHP

Question

I'm attempting to query an Exchange server using a powershell script executed by PHP and it doesn't seem to be working. The command I'm attempting to run is:

powershell "Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010";"Get-CASMailbox -Identity [email protected] | fl ActiveSyncEnabled"

If I type that directly into the command prompt, it executes correctly and returns:

ActiveSyncEnabled : True

When I try it in PHP:

$output=shell_exec('powershell "Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010";"Get-CASMailbox -Identity [email protected] | fl ActiveSyncEnabled"');

I get nothing. $output is set but blank. If I add "> output.txt" to the end, I get a blank text file. I'm able to run other, simpler powershell commands successfully via PHP, but not this one. The Apache service is running as the same user as when I successfully executed the script via the command prompt.

Any ideas?

I'm running:

Windows Server 2008 R2 SP1 64-bit
Apache 2.2.22 32-bit
PHP 5.2.17 VC6 32-bit
Exchange Management Console 2010

For testing purposes, I set the Apache service to run as myself. In PHP, exec('whoami') returns my domain\username, the same username I used when I successfully executed the command at the command prompt. Shouldn't this account for any permissions issues, or am I missing something? — amay83
– amay83, Commented Apr 13, 2012 at 15:16

Dmytro Shevchenko · Accepted Answer · 2012-04-13 15:16:15Z

2

You may try adding 2>&1 at the end of the command, e.g.:

$output=shell_exec('powershell "Add-PSSnapin Microsoft.Exchange.Management.PowerShell.E2010";"Get-CASMailbox -Identity [email protected] | fl ActiveSyncEnabled" 2>&1');

Sometimes, a line break at the beginning of the powershell output seems to prevent shell_exec printing anything else.

answered Apr 13, 2012 at 15:16

Dmytro Shevchenko

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10 Comments

amay83 Over a year ago

Thank you for your assistance! It still doesn't work, but at least now I'm getting an error:

Add-PSSnapin : No snap-ins have been registered for Windows PowerShell version 2. At line:1 char:13 + Add-PSSnapin <<<<  Microsoft.Exchange.Management.PowerShell.E2010;Get-CASMail box -Identity [email protected] | fl ActiveSyncEnabled     + CategoryInfo          : InvalidArgument: (Microsoft.Excha...owerShell.E2     010:String) [Add-PSSnapin], PSArgumentException     + FullyQualifiedErrorId : AddPSSnapInRead,Microsoft.PowerShell.Commands.Ad     dPSSnapinCommand

amay83 Over a year ago

I edited my previous comment with the error I'm getting now. I also tried entering Shedal's string directly into the command prompt, and it still executes correctly, returning AciveSyncEnabled : True

Dmytro Shevchenko Over a year ago

@amay83 The error may be because it's the wrong powershell executable you're using. Refer to this article: blogs.msdn.com/b/pasen/archive/2011/04/06/…

Dmytro Shevchenko Over a year ago

It seems, the problem is because the snap-in is compiled for x64 while your shell runs in a 32-bit mode. So it doesn't see the snap-in. I found a comment which suggests how you can run the shell in another mode: php.net/manual/en/function.shell-exec.php#84992. Maybe it's vice-versa, though, and you need it in 32-bit mode while you run in 64-bit mode.

amay83 Over a year ago

That didn't work, but thank you very much for identifying the problem! I ended up installing Apache x64 and PHP x64, which I got from here: anindya.com. That solved the issue, and now all the 64-bit apps are playing nicely together.

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