Non-Advantage Devices Aren't discovered by Prizm 2.0 ??

I’ve already installed Prizm 2.0 in 3 Redudant WinXP Machines with PostgreDB’s, And Works Great, but theres a common issue that i found , The Only Devices that prizm 2.0 discover are the Advantage, the Non-Advantage devices aren’t discovered, its this an know issue with this version of Prizm??? or i am missing something here???

Waiting for your help, and thanks in advance…