Rainbow Six Vegas 2: Online Updates

So, a couple of us finally go our online shit working by opening the following ports:

Support Answer

The problem isn't completely fixed however, as for some folks, no matter how they set up their routers, their ISP is still blocking their ability to connect to UbiSoft's servers. Unfortunately, it looks like if opening all these ports doesn't work, it's time to make a phone call to your ISP.

Bummer.