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.
Physical causes are the main reasons for erectile dysfunction. They include heart disease, high blood pressure, diabetes, neurological disease, medication side effects, and other health conditions. Psychological causes of erectile dysfunction include anxiety, depression, stress, and problems in relationships.rectile dysfunction (ED), formerly called impotence, can affect men of all ages, although it is much more common among older men. It is normal for healthy men of all ages to occasionally experience erectile dysfunction.