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.
Most erectile dysfunction is caused by a physical condition that affects the nerves or blood vessels responsible for erections. Causes include diabetes, vascular disease, multiple sclerosis, Parkinsonâs disease, surgery or radiation therapy for prostate cancer, or the side effects of medication. Psychological causes include anxiety, depression, or stress.