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> On 27 Feb 2002 at 14:52, John Valenti wrote: > > > No, I haven't changed or even looked at the security settings > > since early December. I am getting occasional messages about > > duplicate IP addresses, but they don't show a pattern. (and the > > affected systems all use DHCP, shouldn't really be duplicated) I > > wonder if the NIC is corrupting packets? > > Just chiming in to say that we've also had a rash of the ip conflict messages lately > on our machines. So maybe that's a dhcp.msu.edu problem and not the cause of > your login problems. A rash of IP conflict messages usually indicates that one or more computers in your building are not behaving properly in using their DHCP addresses. There are known issues with the DHCP client implementation in some Windows OS versions (including 98 and ME). This shows up most often with laptops, but can affect desktops. That's the primary reason that we have posted a registry patch which causes the release of a DHCP IP address at shutdown. See: http://help.msu.edu/downloads/iprelease/ I am hopeful that the new DHCP software we are deploying next week will do a better job at recognizing the IP conflict problem and avoiding handing out IP's which are not properly used. I will point out that I have not had a reported case of an IP conflict that was the fault of the DHCP server. Doug Nelson [log in to unmask] Network Manager Ph: (517) 353-2980 Computer Laboratory http://www.msu.edu/~nelson/ Michigan State University