mp2 virtual vm tv

Trying to set up MP2 in a Win7 VM as a backend TV server. I have a HDHR3, and it see's the three tuners just fine. When I scan for channels (on a fresh install of MP2) on ONE tuner, I am getting 3 or 4 hits per channel on ATSC, and 6 hits per channel on clear QAM. I have 400-500 channels tops...