Powershell: Get-OldComputers (and disable them)

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#Gets time stamps for all computers in the domain that have NOT logged in since after specified date
#See original: https://gallery.technet.microsoft.com/scriptcenter/Get-Inactive-Computer-in-54feafde

import-module activedirectory  

###########################################################
# Modify these variables
$domain = "domain.com"  
$DaysInactive = 90  
###########################################################
$time = (Get-Date).Adddays(-($DaysInactive)) 
$runtime = (get-date -format g)   

# Get all AD computers with lastLogonTimestamp less than our time 
Write-Host Getting a list of systems from AD. This may take a moment.

$systems = Get-ADComputer -Filter {LastLogonTimeStamp -lt $time -and enabled -eq "true"} -Properties LastLogonTimeStamp | select-object -expandproperty Name

Write-Host `nA list of inactive systems to be checked is being written to $env:HOMESHARE\Inactive_systems.txt

$systems | export-csv OLD_Computer.csv -notypeinformation
# out-file $env:HOMESHARE\Inactive_systems.txt 
# ^^^^^^^^^^ above is an alternate line to add to $systems for similar data gathering (Output hostname and lastLogonTimestamp into CSV or txt).

Write-Host `nThese systems will now be tested for network connectivity.`n

Foreach ($name in $systems)
{Write-Host Testing $name ...
    #Ping Test. If PC is shut off, script will stop for the current PC in pipeline and move to the next one.
    if (Test-Connection -ComputerName $name -Count 1 -quiet)
    {
        # do productive stuff here
        Write-Host -ForegroundColor Green $name is online! ; add-content -path "$env:HOMESHARE\Inactive_systems.txt" -value "`n$name is online at $runtime"
    }
    
     else {
        # do error (no connection available) stuff here
        write-host -ForegroundColor Red $name is offline! ; add-content -path "$env:HOMESHARE\Disabled_systems.txt" -value "`n$name was disabled!" ; Set-ADComputer $name -Enabled $false ; Write-Host `n
    }
} `

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Import-Module activedirectory
$target = Get-ADOrganizationalUnit -Identity "OU=Disabled Computer Accounts,OU=Space,DC=Domain,DC=com"
$computers = Get-ADComputer -filter {(enabled -eq "false")}
foreach ($name in $computers) {
Move-ADObject $name -TargetPath $target -verbose
}

Followup to above... this section would move the disabled computers to a 'disabled' OU.