diff -ur a/server/dhcpd.conf b/server/dhcpd.conf
--- a/server/dhcpd.conf	2001-01-25 08:33:11 +0000
+++ b/server/dhcpd.conf	2007-07-19 10:29:43 +0100
@@ -21,6 +21,9 @@
 # No service will be given on this subnet, but declaring it helps the 
 # DHCP server to understand the network topology.
 
+# Disable dynamic DNS updates.
+ddns-update-style none;
+
 subnet 10.152.187.0 netmask 255.255.255.0 {
 }