Hi I deployed to networks in a building of three floors.the first is wired, the second is wireless.then I found IP conflict, since each one has its own DHCPI tried isolating the ranges in each DHCP but the Range Expanders for the wireless in the upper floors continued giving wrong IPswhat can I do?Thanks a lot.

This forum is for exchange related issues. For questions aboutDHCP please use the Windows Server Forum which would be the most relevant forum for your question. Windows Server 2008: http://forums.microsoft.com/TechNet/default.aspx?ForumGroupID=161&SiteID=17