I have two ISA 2004 Std. in two sites and two 3rd party routers in other two sites. All sites are connected through Site to Site VPN and all is working OK. But, when I try to access printers in remote sites from other two sites where ISA is main firewall, I can not access them. Ususally, I need to go through IE ver. 6 and for instance type https://192.168.4.7 and page is supposed to come up, but it doesn't. It says "Page can not be diplayed' Printers are on with static IP and accessible the other way. If I Remote Desktop into local pc in 4.0 subnet, no problem. I can even acccess them from subnets with 3rd party routers back and fourth, but from sites where the ISA is main in charge, no way. I did add routing entry in a routing table on ISA:
route add 192.168.4.0 mask 255.255.255.0 192.168.1.x , but still the same.
If I try from the other site where there is 3rd party firewall to another site where there is also 3rd party firewall it is OK. So it is ISA issue and I thought it was routing issue, but still no success.