DHCP Server failover

Hello,

I am trying to build a fail over of DHCP servers two boxes simple configuration

Box 1:
set service dhcp-server shared-network-name internal.lan.gr authoritative
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 default-router 192.168.2.10
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 dns-server 192.168.2.10
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 lease 86400
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 range 0 start 192.168.2.70
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 range 0 stop 192.168.2.99
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 domain-name internal.lan.gr
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover local-address 192.168.2.11
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover peer-address 192.168.2.12
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover name ‘gstgtwcluster’
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover status ‘primary’

Box 2:
set service dhcp-server shared-network-name internal.lan.gr authoritative
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 default-router 192.168.2.10
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 dns-server 192.168.2.10
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 lease 86400
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 range 0 start 192.168.2.70
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 range 0 stop 192.168.2.99
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 domain-name internal.lan.gr
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover local-address 192.168.2.12
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover peer-address 192.168.2.11
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover name ‘gstgtwcluster’
set service dhcp-server shared-network-name internal.lan.gr subnet 192.168.2.0/24 failover status ‘secondary’

IP address 192.168.2.11 & 192.168.2.12 are ethernet interface ip addresses of the boxes.

But as i enable the failover the dhcp server is not lease addresses , if i disable the failover everything is ok.

Do i miss something?