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In the Windows environment, it is often necessary to work with security identifiers (SIDs) to manage user accounts and permissions. Knowing a user's SID can be useful for troubleshooting, scripting, or auditing purposes. This article will explain how to easily discover a local user's SID in Windows using PowerShell, providing practical examples and commands adapted for the Windows environment.
Examples:
1. Using the Get-WmiObject Cmdlet:
Get-WmiObject -Class Win32_UserAccount | Where-Object {$_.Name -eq "John"} | Select-Object SID
2. Using the Get-LocalUser Cmdlet (Windows 10 and newer):
Get-LocalUser -Name "John" | Select-Object SID
3. Using the [System.Security.Principal.SecurityIdentifier] Class:
$user = New-Object System.Security.Principal.NTAccount("John")
$sid = $user.Translate([System.Security.Principal.SecurityIdentifier]).Value
$sid