ListLocalAccounts.ps1

#get local accounts from a list of servers
# get the list, make sure the servers pass a ping check, pull back the account list
# ignore the errors, we only care about the stuff we *can* reach
# uses servers.csv file with a Name column as input
# outputs to accounts.csv

$servers = $null # server list, pulled name and sorted from csv
$pj = $null # ping job
$pr = $null # ping results
$upservers = $null #servers who were pinged successfully
$aj = $null # account job
$ar = $null # account results
$LocalAccounts = $null # local accounts from the machines

$servers = (Import-Csv servers.csv | sort Name | %{ $_.Name } )
$pj = Test-Connection -ErrorAction SilentlyContinue `
    -ttl 5 -Count 1  -ComputerName $servers -AsJob
$null = Wait-Job $pj
$pr = Receive-Job $pj
$upservers = ($pr | ? {$_.StatusCode -eq 0} | % {$_.Address}) 
$aj = Get-WmiObject -ErrorAction SilentlyContinue `
    -Class Win32_UserAccount -Filter "LocalAccount='$True'" `
    -ComputerName $upservers -AsJob
$null = Wait-Job $aj
$ar = Receive-Job $aj
$LocalAccounts = ($ar | select Domain,Name,FullName | Format-Table)

#or dump out to csv instead of var
$ar | select Domain,Name,FullName | Export-Csv -NoTypeInformation -Path accounts.csv