get-DotNetVersion.ps1
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Script
<#
.SYNOPSIS
Get-DotNetVersion.ps1
Retrieve .NET Framework version from one or more computers
Michel de Rooij
[email protected]
THIS CODE IS MADE AVAILABLE AS IS, WITHOUT WARRANTY OF ANY KIND. THE ENTIRE
RISK OF THE USE OR THE RESULTS FROM THE USE OF THIS CODE REMAINS WITH THE USER.
Version 1.03, January 10th, 2018
.DESCRIPTION
Retrieve .NET Framework version from one or more computers.
.LINK
http://eightwone.com
.NOTES
Revision History
--------------------------------------------------------------------------------
1.0 Initial community release
1.01 Added reporting on .NET Framework 4.6.1 and 4.7 blockades
1.02 Added .NET Framework 4.7.1 support
Changed reporting of blocked NET versions to single property
1.03 Added .NET Framework 4.7.2 blockade check
.PARAMETER ComputerName
One or more computer names to retrieve .NET Framework version of. When omitted, the
local computer is checked.
#>
#Version 3.0
[cmdletbinding()]
param(
[string[]]$ComputerName = $env:COMPUTERNAME
)
# .NET Framework Versions
$NETVERSION_45 = 378389
$NETVERSION_451 = 378675
$NETVERSION_452 = 379893
$NETVERSION_452KB31467178 = 380035
$NETVERSION_46 = 393295
$NETVERSION_461 = 394254
$NETVERSION_462 = 394748
$NETVERSION_462WS2016 = 394802
$NETVERSION_47 = 460798
$NETVERSION_471 = 461308
$NetVersionTags = @('452', '46', '461', '462', '47', '471', '472')
Function Get-NetVersionText( $NetVersion = 0) {
$NETversions = @{
0 = 'Unknown';
$NETVERSION_45 = '4.5'; $NETVERSION_451 = '4.5.1'; $NETVERSION_452 = '4.5.2'; $NETVERSION_452KB31467178 = '4.5.2 & KB3146717/3146718';
$NETVERSION_46 = '4.6'; $NETVERSION_461 = '4.6.1'; $NETVERSION_462 = '4.6.2'; $NETVERSION_462WS2016 = '4.6.2 (WS2016)'; $NETVERSION_47 = '4.7';
$NETVERSION_471 = '4.7.1'
}
return ($NetVersions.GetEnumerator() | Where-Object { $NetVersion -ge $_.Name } | Sort-Object Name -Descending | Select-Object -First 1).Value
}
Function Get-NETVersionBlockade {
param(
[string]$ComputerName,
[string]$Key
)
$res = $false
Try {
$registry = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey('LocalMachine', $ComputerName)
Try {
$registryKey = $registry.OpenSubKey('Software\Microsoft\NET Framework Setup\NDP\WU')
If ( $registryKey.GetValue( $Key) -eq 1) {
$res = $true
}
}
Catch {
# Key doesn't exist
}
}
Catch {
Write-Warning ('Computer {0} is offline or unreachable: {1}' -f $ComputerName, $Error[0].Message)
}
return $res
}
Function Get-NETVersion {
param(
[string]$ComputerName
)
Try {
$registry = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey('LocalMachine', $ComputerName)
Try {
$registryKey = $registry.OpenSubKey('SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full')
$NetVersion = $registryKey.GetValue( 'Release')
$registry = $null
}
Catch {
# Key not found
$NetVersion = 0
}
}
Catch {
Write-Warning ('Computer {0} is offline or unreachable: {1}' -f $ComputerName, $Error[0].Message)
$NetVersion = 0
}
return [int]$NetVersion
}
ForEach ( $Computer in $ComputerName) {
If (Test-Connection -Quiet -Count 1 $Computer) {
$NetVersion = Get-NETVersion $Computer
If ( $NetVersion -gt 0) {
$Blockade = @()
$NetVersionTags | ForEach-Object {
If ( Get-NETVersionBlockade $Computer ('BlockNetFramework{0}' -f $_)) { $Blockade += $_ }
}
$Props = [ordered]@{
'Computer' = $Computer
'Release' = $NetVersion
'NetFramework' = Get-NetVersionText $NetVersion
'Blocked' = $Blockade -Join ','
}
$Object = New-Object -Typename PSObject -Prop $Props
$Object | Add-Member MemberSet PSStandardMembers $PSStandardMembers
Write-Output $Object
}
}
Else {
Write-Warning ('Computer {0} is offline or unreachable: {1}' -f $ComputerName, $Error[0].Message)
}
}
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