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Leon_Kowalskii asked on

Powershell HELL!!!!

I need a PowerShell script which will check for a piece of software on a list of PCs. Below is the software I am looking for, and the attached file is the PC names. Can anyone tell or guide me how PowerShell would read the file and then search each PC for the Avaya software and return a true or false value from the result??? Thanks, Experts. I am a newb when it comes to Powershell.

Avaya Proactive Contact Agent 5.1.1      
Avaya Inc      5.1.1      
PowershellShell ScriptingActive DirectoryWindows OS

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8/22/2022 - Mon
Dan McFadden

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I ran the script (search-adcomps-avaya.ps1) and for some of the PCs output this in red:

Searching Computer:  pc2171
Get-WmiObject : The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
At search-adcomps-avaya.ps1:16 char:20
+   $InstalledApps = Get-WmiObject -Class Win32reg_AddRemovePrograms -ComputerName ...
+                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [Get-WmiObject], COMException
    + FullyQualifiedErrorId : GetWMICOMException,Microsoft.PowerShell.Commands.GetWmiObjectCommand

What does that mean? PC is unavailable???
Dan McFadden

It means that the PC is not on the network.  What happens if you ping "pc171" ?


Ping request could not find host pc2171. Please check the name and try again.
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William Peck

Thanks Mr McFadden

A quick note - the Win32reg_AddRemovePrograms class is only available if you've installed the SMS or SCCM agent.