Public/Get-ALHADUserLogonTime.ps1
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<#PSScriptInfo
.VERSION 1.1.0 .GUID dff730a8-af84-4b38-8fc3-de34ffd1e170 .AUTHOR Dieter Koch .COMPANYNAME .COPYRIGHT (c) 2021-2023 Dieter Koch .TAGS .LICENSEURI https://github.com/admins-little-helper/ALH/blob/main/LICENSE .PROJECTURI .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES 1.0.0 - Initial release 1.1.0 - Made script accept values for paramter ComputerName from pipeline. #> <# .DESCRIPTION Contains function to query 'lastLogon' and 'lastLogonTimestamp' attributes from Domain Controllers in the current AD domain for one ore more user objects. #> function Get-ALHADUserLogonTime { <# .SYNOPSIS Queries 'lastLogon' and 'lastLogonTimestamp' attributes from multiple Domain Controllers in the current AD domain for one ore more user objects. .DESCRIPTION Queries 'lastLogon' and 'lastLogonTimestamp' attributes from multiple Domain Controllers in the current AD domain for one ore more user objects. .PARAMETER Identity One ore more user names (SamAccountName) to query information for. Separate list with commas. If no value is provied, the $env:USERNAME will be used. .PARAMETER DomainController One ore more Domain Controller names to query information for. Separate list with commas. If no value is provied, all DCs in the current domain are queried. .EXAMPLE Get-ALHADUserLogonTime -Identity User1 .EXAMPLE Get-ALHADUserLogonTime -Identity User1, User2 .EXAMPLE Get-ALHADUserLogonTime -Identity User2, User2 -DomainController adds1,adds2 .EXAMPLE (Get-ADUser -Filter {name -like "a*"}).Name | Get-ALHADUserLogonTime -DomainController $(Get-ALHADDSDomainController -All) Get lastlogontime for all users in AD where name starts with 'a', from all domain controllers in the current domain. .INPUTS String .OUTPUTS PSCustomObject .NOTES Author: Dieter Koch Email: diko@admins-little-helper.de .LINK https://github.com/admins-little-helper/ALH/blob/main/Help/Get-ALHADUserLogonTime.txt #> [CmdletBinding()] param ( [Parameter(ValueFromPipeline, HelpMessage = 'Enter one or more user names')] [ValidateNotNullOrEmpty()] [string[]] $Identity = $env:USERNAME, [Parameter(HelpMessage = 'Enter one or more domain controllers to query')] [string[]] $DomainController ) begin { $RequiredModules = "ActiveDirectory" foreach ($RequiredModule in $RequiredModules) { if (-not [bool](Get-Module -Name $RequiredModule)) { if (-not [bool](Get-Module -Name $RequiredModule -ListAvailable)) { Write-Warning -Message "Module $RequiredModule not found. Stopping function." break } Write-Verbose -Message "Importing $RequiredModule Module" Import-Module ActiveDirectory } } if ($null -eq $DomainController -or $DomainController.Length -eq 0) { try { Write-Verbose -Message "Trying to get list of all domain controllers..." $DCs = Get-ADDomainController -Filter * -ErrorAction Stop } catch { Write-Information -Message "Error getting domain controllers" -InformationAction Continue break } } else { Write-Verbose -Message "DCs specified..." Write-Verbose -Message "$($DomainController -join '; ')" $UniqueDCs = $DomainController | Select-Object -Unique Write-Verbose -Message "Unique DC names..." Write-Verbose -Message "$($UniqueDCs -join '; ')" $DCs = foreach ($DC in $UniqueDCs) { Write-Verbose -Message "Checking if DC exists: $DC..." $DCInfo = Get-ADDomainController -Filter { Name -eq $DC } -ErrorAction SilentlyContinue $DCInfo } } $DCs = foreach ($DCtoTest in $DCs) { if ($null -eq $DCtoTest) { Write-Verbose -Message "DC not found in domain: $DCtoTest..." $DCInfo = [PSCustomObject]@{ Name = $DCtoTest Exists = $false Available = $false } } else { Write-Verbose -Message "Checking if DC is available: $DCtoTest..." $DCInfo = $DCtoTest | Select-Object -Property *, ` @{Name = 'Exists'; Expression = { $true } }, ` @{Name = 'Available'; Expression = { Test-Connection -ComputerName $DCtoTest -Count 2 -Quiet } } $DCInfo } } } process { $i = 0 $UserCount = ($Identity | Measure-Object).Count $j = 0 $DCCount = ($DCs | Measure-Object).Count foreach ($user in $Identity) { Write-Verbose -Message "Querying information for user $user..." Write-Progress -Activity "Querying information for user $user" -Status "$i out of $UserCount done" -PercentComplete $([int] 100 / $UserCount * $i) $i++ $j = 0 foreach ($DC in $DCs) { try { Write-Verbose -Message "Querying information from domain controller $($DC.Name)..." Write-Progress -Id 1 -Activity "Querying information from DC $($DC.Name)" -Status "$j out of $DCCount done" -PercentComplete $([int] 100 / $DCCount * $j) $j++ $userInfo = $null if ($DC.Available) { $userInfo = Get-ADUser -Server $DC.Name -Filter { samAccountName -eq $user } -Properties mail, lastLogon, lastLogonTimestamp $userInfo = $userInfo | Select-Object -Property SamAccountName, ` Name, ` Mail, ` @{Name = 'lastLogon'; Expression = { [datetime]::FromFileTime($_.lastLogon) } }, ` @{Name = 'lastLogonTimestamp'; Expression = { [datetime]::FromFileTime($_.lastLogonTimestamp) } }, ` @{Name = 'DC'; Expression = { $DC.Name } }, @{Name = 'DCExists'; Expression = { $DC.Exists } }, @{Name = 'DCAvailable'; Expression = { $DC.Available } } } else { $userInfo = [PSCustomObject]@{ Name = $user lastLogon = '' lastLogonTimestamp = '' DC = $DC.Name DCExists = $DC.Exists DCAvailable = $DC.Available } } } catch { Write-Error $_ } $userInfo } } } } #region EndOfScript <# ################################################################################ ################################################################################ # # ______ _ __ _____ _ _ # | ____| | | / _| / ____| (_) | | # | |__ _ __ __| | ___ | |_ | (___ ___ _ __ _ _ __ | |_ # | __| | '_ \ / _` | / _ \| _| \___ \ / __| '__| | '_ \| __| # | |____| | | | (_| | | (_) | | ____) | (__| | | | |_) | |_ # |______|_| |_|\__,_| \___/|_| |_____/ \___|_| |_| .__/ \__| # | | # |_| ################################################################################ ################################################################################ # created with help of http://patorjk.com/software/taag/ #> #endregion |