Are these two LANs connected to the same UTM or are they connected by a VPN?
Assuming that they're both connected to your UM, have you created a firewall rule that allows traffic to pass between them? You may want to try #1 in Rulz.
Are these two LANs connected to the same UTM or are they connected by a VPN?
Assuming that they're both connected to your UM, have you created a firewall rule that allows traffic to pass between them? You may want to try #1 in Rulz.