Powershell remote installed softwares using workflow paralell - powershell

Question

I am trying to convert my inventory script to be able to get a csv list of installed softwares on remote servers using workflows but I am not able to get it.
$tod = Get-Date;
$local = $PSScriptRoot +"\_Output\"+ "$((Get-Date).ToString('yyyyMMdd'))" + "\InstalledSoftwares\";
if(!(Test-Path -Path $local ))
{
New-Item -ItemType Directory -Path $local
}
$ItemList = Import-Csv $($PSScriptRoot + "\_HostList.CFG") -Header Srv -Delimiter ";"
Write-Host $ItemList.srv
workflow AllInstalledSoft {
ForEach -Parallel ($Serv in $ItemList.srv) {
#$Serv = $_.Srv
if (Test-Connection -computer $Serv -count(1) -quiet)
{
InlineScript { Write-Host $using:Serv "Is Reachable" -ForegroundColor Green
$file = $using:Serv+"_InstalledSoft"+"-{0:yyyyMMdd}.csv" -f $tod
$ExportFile = $local+$file
Get-WmiObject -Class Win32_Product -PSComputerName $using:Serv | select-object #{l="HostName";e={$using:Serv}},Name,InstallDate,InstallLocation,Vendor,Version,Caption,LocalPackage,IdentifyingNumber | Export-CSV -path $ExportFile -notypeinformation}
}
else
{
InlineScript { Write-Host $using:Serv "Is UnReachable" -ForegroundColor Red}
}
}
}
AllInstalledSoft

Answer 1

I cannot test but try this and see if it works. Don't try with the full hostname list, just reduce it to 5 computers to test if it works.
EDIT 3 :
$tod = (Get-Date).ToString('yyyyMMdd')
$local = $PSScriptRoot + "\_Output\" + $tod + "\InstalledSoftwares"
if(!(Test-Path -Path $local )){
New-Item -ItemType Directory -Path $local
}
$ItemList = Import-Csv $($PSScriptRoot + "\_HostList.CFG") -Header Srv -Delimiter ";" | Select-Object -Skip 1
workflow AllInstalledSoft {
param (
[parameter(Mandatory=$true)][array]$ItemList,
[parameter(Mandatory=$true)][string]$LocalExport,
[parameter(Mandatory=$true)][string]$Tod
)
ForEach -Parallel ($Serv in $ItemList) {
if(Test-Connection -ComputerName $Serv -Count 1 -Quiet){
$file = "$($Serv)_InstalledSoft-$Tod.csv"
$ExportFile = "$LocalExport\$file"
try {
Get-WmiObject -Class Win32_Product -PSComputerName $Serv -ErrorAction Stop | Select-Object PSComputerName,Name,InstallDate,InstallLocation,Vendor,Version,Caption,LocalPackage,IdentifyingNumber | Export-CSV -Path $ExportFile -NoTypeInformation
}
catch {}
}
}
}
AllInstalledSoft -LocalExport $local -ItemList $ItemList.Srv -Tod $tod