Index: usr.sbin/bsdinstall/scripts/netconfig_ipv4
===================================================================
--- usr.sbin/bsdinstall/scripts/netconfig_ipv4
+++ usr.sbin/bsdinstall/scripts/netconfig_ipv4
@@ -50,7 +50,7 @@
 if [ $? -eq $DIALOG_OK ]; then
 	if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
 		dialog --backtitle 'FreeBSD Installer' --infobox "Acquiring DHCP lease..." 0 0
-		err=$( dhclient $INTERFACE 2>&1 )
+		err=$( pkill dhclient; dhclient $INTERFACE 2>&1 )
 		if [ $? -ne 0 ]; then
 			f_dprintf "%s" "$err"
 			dialog --backtitle 'FreeBSD Installer' --msgbox "DHCP lease acquisition failed." 0 0