In an instant message chat, Microsoft has told the Windows Featured Communities that the demand for Windows Vista Beta 2 has been overwhelming. It is, in fact, the largest downloaded software in history. Currently, they are serving product keys out ten times faster than downloads can be served. In fact, they are pumping out bits as fast as they can - any faster and there would be a measurable impact on the internet. In fact, I quote a Microsoft represents:

“So, we are literally saying that if we increased our bandwidth any further there’s a possibility of taking down the Internet - people might have problems with World Cup viewing, etc”

People who have received Vista Beta 2 product keys, but are unable to download, may need to wait a few days, up to one week. Microsoft encourages users who want to try out Windows Vista Beta 2 to order the DVD. When they receive the DVD in 1-4 weeks, install it, and activate it, they will be automatically guaranteed an RC1 upgrade.