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 is characterized by the regular, repeated inability to obtain or maintain an erection. There are many known issues that may cause erectile dysfunction including taking anti-depressant drugs, aging, diabetes, performance anxiety stress, and smoking, just to name a few.