Correction about Virtual PCs .ISO image support

I wrote on Saturday that Virtual PC doesn't support .ISO images for DVDs, only for CD-ROMs. I found out today that I was mistaken; Virtual PC indeed does support DVD .ISO images.

So when I previously tried to use DVD .ISO images, they had to be either corrupted, or, there's some kind of limitation within Virtual PC that doesn't like very large files inside .ISO images. If you know the answer, let me know, as I probably don't have the time to investigate the issue since I still use VMware primarly.