#------------------------------------------------------------------
# Produces report for .NET Version on a set of remote computers or 
# localhost
#
# Usage: 
# local machine
# $env:computername | .\Get-FrameWork.NETVersion.ps1
# set of remote computers
#get-content <list of servers.txt> | .\Get-FrameWork.NETVersion.ps1
#
#        Optionally pipe output to Export-Csv, ConverTo-Html
#------------------------------------------------------------------
 
Process {
$Output = "" | Select ServerName , Application, Version, ServicePack

$Srv =  $_
$Output.ServerName = $Srv
$key = "SOFTWARE\Microsoft\NET Framework Setup\NDP"
$type = [Microsoft.Win32.RegistryHive]::LocalMachine
$regKey = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey($type, $Srv)
$regKey2 = $regKey.OpenSubKey($key)

Foreach($sub in $regKey2.GetSubKeyNames()
	){
	#$sub = .NET Version
	# subkey Path
	$subkey = "$key\$sub"
	$regKey3 = $regKey.OpenSubKey($subkey)
	Foreach($subkey in $regKey3.GetValueNames()){
		# $subkey = key in key\sub
		if ($subkey -eq "SP") {
			$Output.Application = "Framework"
			$Output.Version = $sub.substring(0,4)
			$Output.ServicePack = $regKey3.GetValue("$subkey")
			#Write-Host "Framework "$sub.substring(0,4) $subkey $regKey3.GetValue("$subkey")
			}
			
		}
	$output
	}
	
}