public static List<String> GetUserMemberOf(string domain, string username, string password) { DirectorySearcher searcher = null; List<string> lMembers = new List<string>(); try { searcher = new DirectorySearcher(new DirectoryEntry(string.Concat(@"LDAP://", domain), username, password)); searcher.Filter = string.Concat(@"(&(objectClass=User) (sAMAccountName=", username, "))");searcher.PropertiesToLoad.Add( @"MemberOf"); SearchResult result = searcher.FindOne(); for (int i = 0; i < result.Properties[@"MemberOf"].Count; i++) { string szProp = result.Properties[@"MemberOf"][i].ToString();lMembers.Add(szProp.Substring(3, szProp.IndexOf(@",") - 3)); } } catch (Exception) { throw; } finally { searcher.Dispose(); } return lMembers;