Why do you even need an Active adapter? That is really designed to turn a Display Port into a DL DVI port, not a single link port. It shouldn't affect it, but I'm just questioning it.
Also, for Eyefinity to work, the last monitor HAS to be Display port.
Right, the extra information was so someones answer wasn't plug it into your other hdmi/dvi port or get an active adapter, this setup Should