[Xymon] External Powershell script not working

Lennon, Padraig Padraig.Lennon at pioneerinvestments.com
Thu Aug 7 09:18:09 CEST 2014

Hi Michael,

I ran into this issue a few times before (hopefully this fix works for

You need to ensure that the output file is written in ASCII mode
otherwise the Xymon cannot understand the format (to my limited

Add "-Encoding ASCII" as shown here with your example

$sAlarm,$datetime | Out-File -Encoding ASCII -FilePath "C:\Program Files

- Padraig Lennon 

-----Original Message-----
From: Xymon [mailto:xymon-bounces at xymon.com] On Behalf Of Shea, Graeme A
Sent: Wednesday, August 06, 2014 10:49 PM
To: Michael Schultheiss; xymon at xymon.com
Subject: Re: [Xymon] External Powershell script not working

Hello Michael,

if you concatenate the strings with a space between them follow by a
blank line rather than having separate lines it may work. Early versions
of BBWin needed the first line to contain the date (or at least more
information) after the "green", don't know if this has been fixed in the
later versions. 


-----Original Message-----
From: Xymon [mailto:xymon-bounces at xymon.com] On Behalf Of Michael
Sent: Thursday, 7 August 2014 12:40 AM
To: xymon at xymon.com
Subject: [Xymon] External Powershell script not working

We've created an external powershell script for monitoring one of our
Exchange servers. The script has been listed in the externals section of
BBwin.cfg and we've verified the script is outputing to 
C:\Program Files (x86)\BBWin\tmp

but the results aren't showing up on the xymon server page.

We have other servers running external scripts but haven't been able to
determine the difference between the working external script and the
non-working one.

Powershell script:

Add-PSSnapin Microsoft.Exchange.Management.PowerShell.Admin -ErrorAction
Add-PSSnapin Microsoft.Exchange.Management.PowerShell.Support
-ErrorAction SilentlyContinue

$count = Get-TransportServer | Get-Message | Measure-Object |
Select-Object Count -ExpandProperty Count
$sAlarm = "green"
$datetime = (Get-Date).ToString()

If ($count -gt 150) {
    $sAlarm = "yellow"

$sAlarm,$datetime | Out-File -FilePath "C:\Program Files


8/6/2014 10:32:22 AM

BBwin.cfg snippet:

	<setting name="timer" value="5m" />
	<setting name="logstimer" value="60" />
value="C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe -nologo
-ExecutionPolicy Unrestricted -File 'C:\Program
Files(x86)\BBWin\ext\exchqueues.ps1'" />
	<!-- externals launch examples
	<load value="cscript mybbscript.vbs" />
	<load value="myexternal.exe" />
	<load value="cscript wlbs.vbs" timer="15m" />
	<load value="cluster.exe" timer="90s" /> -->

Michael Schultheiss, RHCSA, RHCE   OIT Administration
Sr. Unix Systems Engineer          Ivy Tech Community College
schultmc at ivytech.edu
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Xymon at xymon.com

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