
<#
.SYNOPSIS
    Creates local user account on remote systems
    Requires WinRM 
    Requires Administrative Access
.DESCRIPTION
    Used to create a local user account on remote systems with the same
    user name and password. This can be for a auto logon account, backup
    local admin account
.INPUTS
    You need to update the script to meet your needs.
    Input script should be a list of your computers
    and should reside in C:\temp on the system you
    run the script.

.OUTPUTS
    Export WinRM Failures to txt
    $WinRMErrorVar | Out-File C:\temp\WinRMFailures.txt
    Export Ping Failures to txt
    $Array_PingFailed | Out-File C:\temp\PingFailed.txt
    Sum on inaccessible systems are not getting processed
    C:\Temp\SumOfSystemsNotProcessed.txt
    Script Results Output
    C:\temp\ScriptOutput.csv
    script Error Output
    C:\temp\FinalScriptErrors.txt

.LINK
    Https://www.scriptsbyscott.com
#>

#Get Computers from File
$ArrayofComputers = Get-Content C:\temp\MyComputers.txt
#Summary of Ping Failures
$Array_PingFailed = @()
#Summary of Systems Pass Ping and WinRM
$Array_Passed = @()
#Summary of errors when tryin to connect to online system via WinRM
$WinRMErrorVar = @()
#Connection Testing
Foreach ($Computer in $ArrayofComputers) {
    $Checker = Test-Connection $Computer.Trim() -Count 1 -Quiet
    If ($Checker) { $Array_Passed += Invoke-Command -ErrorVariable MyErr -ErrorAction SilentlyContinue -ComputerName $Computer.Trim() -ScriptBlock { $Env:COMPUTERNAME } }Else { $Array_PingFailed += $Computer.trim()}
    $WinRMErrorVar += $MyErr
}
#Export WinRM Failures to txt
$WinRMErrorVar | Out-File C:\temp\WinRMFailures.txt
#Export Ping Failures to txt
$Array_PingFailed | Out-File C:\temp\PingFailed.txt
#Sum on inaccessible systems are not getting processed
Compare-Object -ReferenceObject $Array_Passed -DifferenceObject $ArrayofComputers | Select -ExpandProperty inputobject | Out-File C:\Temp\SumOfSystemsNotProcessed.txt
#Script Command to Create Account
$MyScript = {
    $MyPassword = "P@ssword1" | ConvertTo-SecureString -AsPlainText -Force
    New-LocalUser -Name "BackupAdmin1" -Password $MyPassword -FullName "Scott Head" -Description "Backup Admin Account"
}
Invoke-Command -ErrorVariable My2ndErr -ErrorAction SilentlyContinue -ComputerName $Array_Passed -ScriptBlock $MyScript `
| Select FullName, Enabled, PasswordChangeableDate, PasswordExpires, UserMayChangePassword, PasswordLastSet, Name, SID | Export-csv C:\temp\ScriptOutput.csv -NoTypeInformation
if ($My2ndErr -ne $null) { $My2ndErr | Out-File C:\temp\FinalScriptErrors.txt }