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.
1 Venous leak: To keep an erection, the blood that flows into your penis has to stay a while. If it flows out too quickly, youâll lose your erection. Injury or disease can cause this.  Tobacco , alcohol, or drug use: All three can damage your blood vessels.