Have a K Guard-100 4ch mpeg-4DVR connected to a linksy(BEFSR41) and it connected to (Rogers )cable modem.Changed in dvr to static and IP to 192.168.1.145. In router put 8000, tcp ,192.168.1.145. Using my laptop connected to router using VIDEO SERVER E connected to dvr and it is working just find. Left running and when to my other builing where there is a desk top computer connected to a router(same )and rogers cable modem. Installed same info into router and VIDEO SERVER E ,but cannot connect ,it says login procedure failed . When back to other builing to see if everything was ok ,working ok .Back to other builing and no go will not connect to dvr over internet. What could the problem be ???thank you