One of our users here just tried IE Tab for Firefox3.0.8, available as an add-on by Firefox. It seems to allow Host Checker to do its thing, and he can use Firefox on his Vista Enterprise. Our IVE is running 6.3R1-2. One caveat is that the first time, he had to do a double-login. Another is that WSAM seemd to crash his browser, and reboot his machine, but that could be unrelated. The second login worked fine. I have seen that Host Checker seems to have random issues with Vista.
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