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.
An erection problem occurs when a man can't get or keep an erection that is firm enough for intercourse. You may not be able to get an erection at all. Or, you may lose the erection during intercourse before you are ready. Erection problems usually don't affect your sex drive. Erection problems are common.