DisableUnusedComputerAccounts.ps1
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<#PSScriptInfo
.VERSION 1.0.0 .GUID 0382d5e0-b1d9-4143-9539-5a6f7a13a5d1 .AUTHOR Jack Olsson .COMPANYNAME .COPYRIGHT .TAGS .LICENSEURI .PROJECTURI https://github.com/jaols/PSJumpStart .ICONURI .EXTERNALMODULEDEPENDENCIES ActiveDirectory .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES #> #Requires -Module PSJumpStart <# .SYNOPSIS Disables unused Computer accounts .DESCRIPTION Report or handle unused computer accounts in AD. .PARAMETER monthsUnused The number of months a Computer account has not been used. Default in .dpf file. .PARAMETER searchRootOU Root OU-path for search. .PARAMETER disabledOU OU-path to to the OU receiving the disabled accounts. .PARAMETER writeReport Write formatted info to CSV-file. NO ACTION WILL TAKE PLACE. .PARAMETER UseEventLog Standard parameter. Write info to EvenLog as well as std out. .NOTES Author: Jack Olsson Date: 2018-07-14 #> [CmdletBinding(SupportsShouldProcess = $True)] param ( [int]$monthsUnused, [string]$searchRootOU, [string]$disabledOU, [switch]$writeReport, [switch]$useEventLog ) #region local functions function GetLocalDefaultsFromDfpFiles($CallerInvocation) { #Load script default settings foreach($settingsFile in (Get-SettingsFiles $CallerInvocation ".dfp")) { Write-Verbose "GetLocalDefaultsFromDfpFiles: [$settingsFile]" if (Test-Path $settingsFile) { $settings = Get-Content $settingsFile #Enumerate settingsfile rows foreach($row in $settings) { #Remarked lines are not processed if (($row -match "=") -and ($row.Trim().SubString(0,1) -ne "#")) { $key = $row.Split('=')[0] $var = Get-Variable $key -ErrorAction SilentlyContinue if ($var -and !($var.Value)) { try { $var.Value = Invoke-Expression $row.SubString($key.Length+1) Write-Verbose "GetLocalDefaultsFromDfpFiles: $key = $($var.Value)" } Catch { $ex = $PSItem $ex.ErrorDetails = "Err adding $key from $settingsFile. " + $PSItem.Exception.Message throw $ex } } } } } } } function TimeFromInteger { Param( [parameter(mandatory=$true)] $TimeStamp ) [datetime]::FromFileTime($TimeStamp) } function TimeToInteger { Param( [parameter(mandatory=$true)] [DateTime]$TimeStamp ) $TimeStamp.ToFileTime() } function DisableComputer($ComputerObject) { if ([string]::IsNullOrEmpty($_.lastLogonTimeStamp)) { $logonTime = "not done." } else { $logonTime = TimeFromInteger $_.lastLogonTimeStamp } Msg "Disable Computer $($ComputerObject.SamAccountName) last logged on $logonTime" if ($pscmdlet.ShouldProcess("$($ComputerObject.SamAccountName)", "Disable Computer")) { #Set "Notes" info Set-ADComputer -Identity $ComputerObject.SamAccountName -Replace @{info="Disabled [$((Get-Date).ToString())] due to last logon $logonTime"} -Server $_ADserver #Disable Computer Disable-ADAccount -Identity $ComputerObject.SamAccountName -Server $_ADserver #Move Computer to DisableOU (if specified) if (![string]::IsNullOrEmpty($disabledOU)) { Move-ADObject -Identity $ComputerObject -TargetPath $disabledOU -Server $_ADserver } } } function ReportData($ComputerObject, $csvFile, $separator) { Write-Verbose "Export Computer $($ComputerObject.SamAccountName) last logged on $logonTime" $row = "" ForEach($prop in $PropertiesToGet) { #Write-Host $prop if ($ComputerObject.$prop) { if ($ComputerObject.$prop.GetType().Name -eq "Int64") { $time = TimeFromInteger $($ComputerObject.$prop) $row += $time.ToString() + $separator } else { $row += $($ComputerObject.$prop).ToString() + $separator } } else { $row += $separator } } $row | Out-File -Append -FilePath $csvFile } #endregion #region Init #CSV-separator $separator = ";" $PropertiesToGet = @("samAccountName","DisplayName","Description","WhenCreated","lastLogonTimeStamp") $reportFile = ($CallerInvocation.MyCommand.Definition -replace ".ps1","") + (Get-Date -Format 'yyyyMMdd HHmmss') + ".csv" if (-not (Get-Module ActiveDirectory)) { Import-Module ActiveDirectory } Import-Module PSJumpStart -Force #Get Local variable default values from external DFP-files GetLocalDefaultsFromDfpFiles($MyInvocation) #Get global deafult settings when calling modules $PSDefaultParameterValues = Get-GlobalDefaultsFromDfpFiles $MyInvocation -Verbose:$VerbosePreference #endregion Msg "Start Execution" #Prevent disaster if dfp-file is missing if ([string]::IsNullOrEmpty($monthsUnused)) { $monthsUnused = 200 } [datetime]$unusedTime = (Get-Date).AddMonths(-$monthsUnused) Write-Verbose "Get Computers not logon since $unusedTime" $filter = {Enabled -eq $true -and (LastLogonTimeStamp -lt $unusedTime -or (LastLogonTimeStamp -notlike "*" -and WhenCreated -lt $unusedTime))} #Prepare report header if ($writeReport) { Msg "Write report to $reportFile" $row="" ForEach($prop in $PropertiesToGet) { $row += $prop + $separator } $row | Out-File -FilePath $reportFile -Force } Msg "Filter computers last used $unusedTime" if ([string]::IsNullOrEmpty($searchRootOU)) { Get-ADComputer -Filter $filter -Properties $PropertiesToGet | % { if ($writeReport) { ReportData $_ $reportFile $separator } else { DisableComputer $_ } } } else { Get-ADComputer -Filter $filter -Properties $PropertiesToGet -SearchBase $searchRootOU | % { if ($writeReport) { ReportData $_ $reportFile $separator } else { DisableComputer $_ } } } Msg "End Execution" |