Active Directory (AD) is a directory service that Microsoft developed for Windows domain networks. It is included in most Windows Server operating systems as a set of processes and services. Initially, Active Directory was only in charge of centralized domain management.
Erection problems can have many causes. 1  Physical problems, such as injury to nerves or loss of blood supply to the penis 2  . Other health problems, such as diabetes, high blood pressure, anxiety, and depression.  Side effects of certain medicines.
8 doctors agreed: 1  ED: Men may lose some ability to have an erection at any age, but the younger man most likely will have some other medical issue leading to it. Diabetes, hypertension, heart disease, nerve problems, stress, depression and low testosterone may be factors.