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.
Erectile dysfunction, also called impotence, is the inability to develop or sustain an erection satisfactory for sexual intercourse. Though prostate cancer is not a cause of erectile dysfunction, treatments for the disease can cause the problem. These include: 1  Surgery to remove the entire prostate gland.  Radiation therapy, whether by external beam or radioactive seed implants.