ISA 2006 Denied connection 0xc0040012 FWX_E_NETWORK_RULES_DENIED

Hello.

I have a ISA with 3 NIC`s.

NIC 1 with 172.17.0.0 network X

NIC 2 with an external ip

NIC 3 with a internal ip

On the networks i have the follow networks:

External

Network X

Internal

Intra

local and VPN clients.

My NIC 1 is directly connected to the cisco router where resides a VPN SiteToSite with other location, and all inbound traffic is NAT on the cisco to the network 172.17.0.0

So i create a following network rule:

Traffic from the network X will be routed to internal

After i create a Policy rule permit all outbound traffic from network X to internal.

After this i try to ping, trace, accessing an inside web server but all the traffic is denied with  0xc0040012 FWX_E_NETWORK_RULES_DENIED

From the router i can ping the NIC 1 on the ISA but can´t ping server´s on the internal network.

I already change my network rule to NAT but with no success.

Any body has suggestion?

I´m really stuck on here

Any questions our doubts just ask.

Thank you.