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.
ED is a regular inability to get and keep an erection. It may only happen in some situations; for example, you may be able to get an erection when masturbating, but canât keep an erection when youâre with your partner.D can have physical and psychological causes. Sometimes it's a combination of both. Examples of physical causes include: 1  narrowing of the blood vessels in the penis â this is commonly linked with cardiovascular disease, high blood pressure or diabetes. 2  hormonal conditions â such as thyroid problems.