How to check the .NET version on remote clients? How to update the outdated versions of .NET on remote hosts? The answer is below…
#-------------[deklarations]--------------------------
#source
$computers=Get-Content '\\host\shares\!scripts\!source\!computers.txt'
#logs
$successLog='\\host\shares\!scripts\!logs\done.LOG'
$errorLog='\\host\shares\!scripts\!logs\error.LOG'
$unreachableLog='\\host\shares\!scripts\!logs\unreachable.LOG'
#params
$source='\\host\shares\!install\net\'
$destination='c$\install\net\'
$dotNetVersion='0.0.0'
$dotNetAcctualVersion=460805
#-------------[functions]--------------------------
function GetDotNetVersion {
param (
[string] $computer)
$dotNetRegKey=Invoke-Command -computerName $computer -scriptBlock {(Get-ItemProperty -Path 'HKLM:SOFTWARE\Microsoft\Net Framework Setup\NDP\v4\Full\' -Name "Release").Release}
return $dotNetRegKey
}
foreach($computer in $computers) {
if(Test-Connection -ComputerName $computer -Count 1 -Quiet) {
$dotNetVersion=getDotNetVersion($computer)
Try {
if($dotNetVersion -lt $dotNetAcctualVersion) {
Invoke-Expression "msg.exe * /SERVER:$computer /TIME:3600 'Nie wyłączaj komputera - trwa aktualizacja!'"
Write-host "Copying files: $computer" -foreground 'gray'
Copy-Item -Path $source -Destination \\$computer\$destination -Force -Recurse
Write-host "Installation: $computer" -foreground 'gray'
Invoke-Command -computerName $computer -ScriptBlock {powershell.exe 'c:\install\net\NDP47-KB3186497-x86-x64-AllOS-ENU.exe' /q /norestart}
Invoke-Expression "msg.exe * /SERVER:$computer /TIME:21600 'Komputer został zaktualiowany - proszę go ponownie uruchomić, w przeciwnym razie za 6 godzin nastąpi automatyczny (wymuszony) restart.'"
Invoke-Expression "shutdown /m $computer /r /f /c 'Restart' /t 21600"
Write-host "updated: $computer" -foreground 'green'
$computer >> $successLog
} else {
Write-host "$computer':' $dotNetVersion" -foreground 'green'
$computer + ": " + $dotNetVersion >> $successLog
}
} Catch {
Write-host "error: $computer" -foreground 'red'
$computer >> $errorLog
}
} else {
Write-host "offline: $computer" -foreground 'yellow'
$computer >> $unreachableLog
}
}
#-------------krolaki.eu--------------------------