Another critical item that we will monitor will be the status of our respectable Active Directory, although we know that we will have him in cotton wool and we will pamper him, because Nagios or Centreon will also monitor it. Thanks to a script we will test your health on a scheduled basis, monitoring its status at all times, as well as that of the Domain Controllers, Therefore, another thing that we will get out of our heads and an automated system will do it for us, And if it fails… He warns us!