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Has anyone else noticed Windows 2008 R2 servers (perhaps with Hyper-V on them) sending a continuous flood of DHCP requests, even after they get a valid ACK from the DHCP server? We've seen continuous, repeated requests every second on all of our DHCP servers. Luckily, it has only happened to one DHCP client system at a time, but each time it had gone unnoticed for months until we noticed our DHCP server logs filling up the disks. So far I've found 3 or 4 systems have have done that over the last 7 months. We're using ISC DHCPD 4.1.1 on Scientific Linux 6 KVM VM's. Anyone know how to make these Windows 2008 systems stop flooding DHCP requests? Thanks, Chuck -- Charles R. Anderson, JNCIP-SP Sr. Network Engineer Network Operations - Morgan Hall Worcester Polytechnic Institute ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at