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what's the OS of the client computers? XP prior to SP2?? or ever changed the encryption settings on the wireless AP??
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what's the OS of the client computers? XP prior to SP2?? or ever changed the encryption settings on the wireless AP??

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Thank you to those that commented.
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I have a wireless network for a small business. It was working for the past 2 years up until lunchtime today. I have the Domain controller set to function as the DHCP as well. Nothing has changed with the configuration of the DHCP. I was tinkering with IIS earlier rolling out a WebApp. When I attempt to connect any client to the wireless network, it connects, but with local access only and won't obtain an IP address. Please advise.
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I have a wireless network for a small business. It was working for the past 2 years up until lunchtime today. I have the Domain controller set to function as the DHCP as well. Nothing has changed with the configuration of the DHCP. I was tinkering with IIS earlier rolling out a WebApp. When I attempt to connect any client to the wireless network, it connects, but with local access only and won't obtain an IP address. Please advise.

Wireless network stopped automatically assigning IP adderesses.

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).