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A repository of PowerShell Scripts to automate a variety of IT related maintenance tasks.

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Get-LogonHistory.ps1

Description

@GitHub Copilot - Welcome @BanterBoy, I’m your Copilot and I’m here to help you get things done faster. I can identify issues, explain and even improve code.

You can ask generic questions, but what I’m really good at is helping you with your code. For example:

Generate unit tests for my code Explain the selected code Propose a fix for the bugs in my code If you want to learn more about my capabilities and limitations, check out the Copilot documentation.

I’m powered by AI, so surprises and mistakes are possible. Make sure to verify any generated code or suggestions, and share feedback so that we can learn and improve.

@BanterBoy: - Explain what the script does and why it is useful.

@GitHub Copilot -

Script

function Get-LogonHistory {
    Param (
        [Parameter(Mandatory = $true)]
        [string]
        $ComputerName,

        [int]
        $Days = 10
    )

    $Result = @()
    $eventLogs = Get-EventLog System -Source Microsoft-Windows-WinLogon -After (Get-Date).AddDays(-$Days) -ComputerName $ComputerName
    If ($eventLogs) {
        ForEach ($Log in $eventLogs) {
            If ($Log.InstanceId -eq 7001) {
                $eventType = "Logon"
            }
            ElseIf ($Log.InstanceId -eq 7002) {
                $eventType = "Logoff"
            }
            Else {
                Continue
            }
            $Result += New-Object PSObject -Property @{
                Time      = $Log.TimeWritten
                EventType = $eventType
                User      = (New-Object System.Security.Principal.SecurityIdentifier $Log.ReplacementStrings[1]).Translate([System.Security.Principal.NTAccount])
            }
        }
        $Result | Sort-Object Time -Descending
    }
    Else {
        Write-Warning "Problem with $ComputerName."
        Write-Warning "If you see a 'Network Path not found' error, try starting the Remote Registry service on that Computer."
        Write-Warning "Or there are no logon/logoff events (XP requires auditing be turned on)"
    }
}

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