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.
A normal erection requires an increase in blood flow going into the penis through arteries. and a decrease in blood flow leaving the penis through veins. Problems with inflow. and outflow of these arteries and veins are the most common cause of impotence. The.