Update Quest RapidRecovery Agents silently

# begin a transcript to log the output to file
Start-Transcript C:\Temp\AgentUpgradeLog.txt
# Define the list of systems to update
# Gather list of older version from Rapid Recovery Licensing Portal
$systems = Get-Content -Path C:\Temp\AgentServers.txt
 
foreach($system in $systems) {
#Write-Host "Testing connectivity to $system"
$rtn = Test-Connection -CN $system -Count 1 -BufferSize 16 -Quiet
 
IF($rtn -match 'True'){
 Write-Host "ALIVE - $System"
 copy C:\Temp\Agent-X64-6.1.3.100.exe \\$system\c$\temp -confirm:$false
 $executable = "C:\temp\Agent-X64-6.1.3.100.exe"
 $session = New-PSSession -ComputerName $system 
 # Key here is the /silent and reboot=never switches
Invoke-Command -Session $session -ScriptBlock {Start-Process $using:executable -ArgumentList "/silent reboot=never" -Wait}
 remove-pssession $session
 Write-Host "$System - upgrade steps completed"
 sleep 5
# Found that we had agent services not starting following the upgrade
 get-service -name "RapidRecoveryAgent" -computername $system | Start-Service
 }
 
else
 {
 Write-Host "DOWN - $System"
 }
 
}
 
Stop-Transcript