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How to get last logon of user on Domain Controllers using Powershell

This Powershell script will iterate through all available Domain Controllers associated with Active Directory . It will record the last logon time on the specific Domain Controllers. 

The script takes as an input parameter the id of the user . 

In a previous post I outlined How to get all Domain Controllers in Active Directory Forest with Powershell  . This script uses similar techniques , but with the added step of using the Get-ADUser cmdlet to check the user against the specific Domain Controllers. 

The $resultlogonhistory=@()    is a variable starting an array. In Powershell , @() means array.     The process keeps adding content to the array . 

Once the the process iterates through every Domain Controller , the array is exported to a CSV file  - using the Export-CSV cmdlet.    

A colleague of mine gave me the script , which I've used with success. Whoever else has contributed to this script - thanks you. 

$userlogonname='an_id'

$outputfile='c:\lastlogon.csv'

$logonhistory=@()

Import-Module ActiveDirectory

$DCs=(Get-ADDomainController -Filter *).Name

 foreach ($DC in $DCs) {

 Try {

$aduser=Get-ADUser $userlogonname -Server $DC -Properties lastlogon -ErrorAction Stop

     $logonhistory +=New-Object -TypeName PSObject -Property ([ordered]@{

    'USR' = $userlogonname

    'DomainCont' = $dc

    'LastLogon' = [datetime]::FromFileTime($aduser.'lastLogon')

})

}

Catch {

Write-host "Cannot connect DC $($dc)!"

}

}

$logonhistory|Export-CSV -path $outputfile -NoTypeInformation -Delimiter "," -Encoding UTF8


Read more on querying Active Directory with Powershell

 How to extract Active Directory users with Get-ADGroup and Get-ADGroupMember

How to find Active Directory groups with Get-ADGroup search filter

How to get all Domain Controllers in Active Directory Forest with Powershell

How to find Active Directory users with Get-ADUser search filter



This post first appeared on SQLSERVER-DBA.com, please read the originial post: here

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How to get last logon of user on Domain Controllers using Powershell

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