Convert UserName to SID and SID to UserName

Convert UserName to SID and SID to UserName

Here is a simple PowerShell Script to convert a UserName to SID and SID to UserName. 

It can also be used to convert Local User Name to SID and Local SID to Local User Name.

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# Use this script to translate UserName to SID,                                

# SID to UserName and Local user to SID.                                       

# Script Written by Prakash Kumar (6th April 2020)                

# Reference : https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-powershell-1.0/ff730940(v=technet.10)?redirectedfrom=MSDN                   

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param($SID,

$ADUSER,

$LOCALUSER)

#Enter Your Domain Name Here:

$DOMAIN = "DomainName"

if ($SID)

    {

        $UserSID = New-Object System.Security.Principal.SecurityIdentifier("$SID")

        $UserID = $UserSID.Translate( [System.Security.Principal.NTAccount])

        Write-output "$SID `t : $UserID"

    }

ElseIf ($ADUSER)

    {

        $UserID = New-Object System.Security.Principal.NTAccount("$DOMAIN", "$ADUSER")

        $strSID = $UserID.Translate([System.Security.Principal.SecurityIdentifier])

        Write-output "$ADUSER `t : $strSID"

       

    }

ElseIf ($LOCALUSER)

    {

        $UserID = New-Object System.Security.Principal.NTAccount("$LOCALUSER")

        $strSID = $UserID.Translate([System.Security.Principal.SecurityIdentifier])

        Write-output "$LOCALUSER `t : $strSID"

    }

 Here is the screenshot from the above script: