private static List<ActiveDirectoryUser> GetMembers(GroupPrincipal groupPrincipal)
{
var members = groupPrincipal.GetAllMembers();
var result = new List<ActiveDirectoryUser>();
foreach (var principal in members.Where(principal => !result.Exists(p => p.Sid.Equals(principal.Sid))))
{
result.Add(principal);
}
return result;
}
