Solution:
DHCP not working on a wireless connection
The issue is caused by a lack of a correct association between the computer running Windows Vista and its assigned IP address.
Follow these steps to work around the issue by editing the System Registry:
1) Click the Start button.
2) Select All Programs > Accessories.
3) Right click Command Prompt and click Run as administrator.
4) Type regedit.exe and press enter.
5) Go to the following location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters
6) Right click this entry and select New Dword.
7) Rename the new entry ArpRetryCount (leave it set to 0 by default).
8) Restart the computer.
You should notice a successful connection.
See the Microsoft article entitled Registry management strategies for IT Pros for additional information on editing the System Registry in Windows Vista.
Important Note: This information is provided for guidance purposes only and does not represent a configuration officially supported.
