public void CreateLocalWindowsAccount(string username, string password, string displayName, string description, bool canChangePwd, bool pwdExpires)
    {
        try
        {
            PrincipalContext context = new PrincipalContext(ContextType.Machine, "127.0.0.1");
            UserPrincipal user = new UserPrincipal(context);
            user.SetPassword(password);
            user.DisplayName = displayName;
            user.Name = username;
            user.Description = description;
            user.UserCannotChangePassword = canChangePwd;
            user.PasswordNeverExpires = pwdExpires;
            user.Save();

            //now add user to "Users" group so it displays in Control Panel
            GroupPrincipal group = GroupPrincipal.FindByIdentity(context, "Remote Desktop Users");
            group.Members.Add(user);
            group.Save();
        }
        catch (Exception ex)
        {
            Response.Write(ex.ToString());
        }
    }