Artificial insemination with husband's semen is indicated in all the following situations, except
Chronic medical disorder, oligospermia, impotency, premature ejaculation, hypospadias, antisperm antibodies in the cervical mucus. 
Azoospermia means the absence of sperm in semen. So it won't help in the treatment of infertility by artificial insemination.
Oligospermia
Impotency
Antisperm antibodies in the cervical mucous
Azoospermia