Last night I added an article about fixing the “Access: Local only” issue in Windows Vista. Interestingly, this is another “feature” of Windows Vista that is causing trouble. Check it out in the articles section. Below are a few URLs that also talk about this problem.
http://blogs.technet.com/teamdhcp/archive/2006/11/08/use-of-broadcast-b-flag-in-dhcp.aspx
http://www.askdavetaylor.com/dhcp_unicast_broadcast_flag.html
http://thedaneshproject.com/posts/vista-not-working-with-dhcp/