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.
Symptoms of erectile dysfunction include erections that are too soft for sexual intercourse, erections that last only briefly, and an inability to achieve erections. Men who cannot have or maintain an erection at least 75% of the time that they attempt sex are considered to have erectile dysfunction.