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Error in Powershell Script

 
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bgorton



Joined: 03 May 2019
Posts: 11

PostPosted: Wed Dec 11, 2019 3:46 pm    Post subject: Error in Powershell Script Reply with quote

I have the following PS script I am trying to run thru Script Manager

Code:

$ELSystem = ".\EL-System.log"
$ELApp = ".\EL-apps.log"
#end region variables

#--- SCRIPT ---#
#region script
$system = Get-WinEvent -ComputerName $Args -FilterHashtable @{logname='system';Level=2} | Where-Object { $_.TimeCreated -gt $begin}  | Format-Table -Autosize | Out-File $ELSystem -Append


with $args being defined in the Params field as the hostname of the computer I am running the test against. I can run this script in PS itself while specifying in the script the hostname, but when I run thru HostMonitor, I get the following error:

Code:

Get-Winevent : Cannot convert 'System.Object[]' to the type 'System.String'
required by parameter 'ComputerName'. Specified method is not supported.
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KS-Soft



Joined: 03 Apr 2002
Posts: 12137
Location: USA

PostPosted: Thu Dec 12, 2019 12:27 pm    Post subject: Reply with quote

1) You are sending hostname as 1st parameter of the script?
Then use $args[0] or $($args[0]) instead of $Args

2) If you are using script for ShellScript test, then you need to return correct result to HostMonitor
https://www.ks-soft.net/hostmon.eng/mframe.htm#tests.htm#shellres

3) You may check if parameter passed to the script or someone forgot to specify hostname, e.g.
Code:

$statusUnknown = "ScriptRes:Unknown:"
$statusOk  = "ScriptRes:Ok:"
$statusBad = "ScriptRes:Bad:"

if (!$args[0]) {
  echo  $statusUnknown"Hostname not specified"
  exit
}

..your code...

echo $statusOk

And may be add some Try..Catch block for error handling.

Regards
Alex
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