get_powershell_version.ps1

get_powershell_version.ps1

# Supports Windows 2012 R2 and up.  Ensure you have Local Administrator access and network connectivity to the target servers for whatever account runs this.
Function ConfirmState
{
param($confirm_feature,$truetext,$falsetext)
if($truetext -eq $null){$truetext = "$confirm_feature was successfully installed!"}
if($falsetext -eq $null){$falsetext = "ERROR!!! $confirm_feature was NOT INSTALLED!"}
$installstate = Get-WindowsOptionalFeature -Online -FeatureName $confirm_feature
if($installstate.state -Like "Enabled"){$truetext| %{ Write-Host -foreground "green" $_; $_ } | Out-File $log_file -Append}else{$falsetext | %{ Write-Host -foreground "red" $_; $_ } | Out-File $log_file -Append}
}

$ErrorActionPreference = "Stop"
$log_file = "ad_powershell.log"

$winfeatures = "ActiveDirectory-Powershell"
foreach ($feature in $winfeatures)
{
"...Installing $feature" | Out-File $log_file -Append
Enable-WindowsOptionalFeature -Online -FeatureName $feature -norestart -source https://windowsupdate.microsoft.com | Out-File $log_file -Append
ConfirmState $feature
}

Import-Module ActiveDirectory

#Enumerate all Computers in Active Directory
Get-ADComputer -Filter * -ResultPageSize 3084 |
    ForEach-Object {
        $ping = Test-Connection -CN $_.dnshostname -Count 2 -BufferSize 16 -Quiet
            Write-Host -ForegroundColor green $_.dnshostname
            Add-Content -Path "C:\Windows\Temp\Servers.txt" -Value $_.dnshostname
        }

$computers = Get-Content "C:\Windows\Temp\Servers.txt"
#object to collect all information
$infoColl = @()

foreach ($computer in $computers) {
$psversion=Invoke-Command -ComputerName $computer -ScriptBlock {$PSVersionTable.PSVersion}
$infoObject = New-Object PSObject
Add-Member -inputObject $infoObject -memberType NoteProperty -name "ServerFQDN" -value $computer
Add-Member -inputObject $infoObject -memberType NoteProperty -name "PSVersion" -value $psversion
$infoObject #Output to the screen for a visual feedback.
$infoColl += $infoObject
}

# Export the results in csv file. The file is in the same path as the ps1 and txt script
$infoColl  | Export-Csv -path .\$((Get-Date).ToString('MM-dd-yyyy'))_Server_Inventory.csv -NoTypeInformation