i can not get a dhcp from my sbs2003 server

help plz!!!!!
i have a sbs2003 server with 2x nic cards 1 is to the adsl router other is for the network i have a wirless access point and for the life off god i can not get a auto ip only if i set it manual i did i ipconfig /all and i noticed that dhcp enabled said no? but strange thing is in administrator settings list there is no dhcp tab but i am shore there was before i know i must turn it on but how? i have also restarted dhcp in the services too and still no joy “lastley i have the router set to manual ip not dhcp and the wirless access point set to manual or does the access point need to be set to get dhcp from server? help plz regards chris