Does it have to be powershell??

Wayne Humphrey wrote a nice little VBScript you can find here:
http://www.symantec.com/connect/blogs/monitoring-msmq-vbs

Did you look at the PowerShell Community Extensions:

http://pscx.codeplex.com/releases/view/96847

No, it does not have to be necessary Powershell, it can be other language.

I will check this vbs and if it works I will mark as the solution.

Thanks again, great forum full of experts!

I just tried the script but it returns 0 messages (although when I check in compmgmt.msc there are about 100 messages).

I've a script which monitors EV other MSMQ and generates HTML email alerts based on parameters definied within script.

At the core, it uses WMI query to pull MSMQ information for multiple servers.

I can upload it to download section but might take couple days as it goes through approvals.

If you wish, I can email it to you and you can test if it works for you

Thanks for reply, yes it could be great if you can send me by email so I can test.

here's how you can use the WMI called from powershell. works like a charm. just put this in a file whatever.ps1 and you're off to the races. you can substitute the ft for fl or however you'd like the results to be listed.

$queues = Get-WmiObject Win32_PerfFormattedData_msmq_MSMQQueue
$queues | ft -property Name,MessagesInQueue

You might want to have a look at MSMQ Monitor :

http://www.quadrotech-it.com/products/evtools/msmq-monitor/

I just tested this tool on my EV server (clustered) : 

PS C:\msmq> .\MSMQMonitor.exe

I've never tried it on a clustered environment.  Did you try any of the command line switches from the instructions on the QUADROtech web site?

(Feel free to email direct to troubleshoot -> rob.wilcox@quadrotech-it.com)

I sent you an email with more info, thanks in advance.