Convert a username to a SID string in C#/.NET

Question

There\'s a question about converting from a SID to an account name; there isn\'t one for the other way around.

How do you convert a username to a SID string, for exa

Answer 1

using System;
using System.Management;
using System.Windows.Forms;

namespace WMISample
{
public class MyWMIQuery
{
    public static void Main()
    {
        try
        {
            ManagementObjectSearcher searcher = 
                new ManagementObjectSearcher("root\\CIMV2", 
                "SELECT * FROM Win32_UserAccount where name='Galia'"); 

            foreach (ManagementObject queryObj in searcher.Get())
            {
                Console.WriteLine("-----------------------------------");
                Console.WriteLine("Win32_UserAccount instance");
                Console.WriteLine("-----------------------------------");
                Console.WriteLine("Name: {0}", queryObj["Name"]);
                Console.WriteLine("SID: {0}", queryObj["SID"]);
            }
        }
        catch (ManagementException e)
        {
            MessageBox.Show("An error occurred while querying for WMI 
            data: " + e.Message);
        }
      }
    }
}

/////////Remote:

            ConnectionOptions connection = new ConnectionOptions();
            connection.Username = userNameBox.Text;
            connection.Password = passwordBox.Text;
            connection.Authority = "ntlmdomain:WORKGROUP";

            ManagementScope scope = new ManagementScope(
                "\\\\ASUS\\root\\CIMV2", connection);
            scope.Connect();

            ObjectQuery query= new ObjectQuery(
                "SELECT * FROM Win32_UserAccount"); 

            ManagementObjectSearcher searcher = 
                new ManagementObjectSearcher(scope, query);

            foreach (ManagementObject queryObj in searcher.Get())
            {
                Console.WriteLine("-----------------------------------");
                Console.WriteLine("Win32_UserAccount instance");
                Console.WriteLine("-----------------------------------");
            }