Exactly like last time when Windows 7 Beta went public, the site for downloading Windows 7 RC clashed again. I just see some blog entries explaining what caused this happened again.
http://www.itnews.com.au/News/102445,windows-7-rc-download-crashes.aspx
and http://blogs.zdnet.com/Bott/?p=910
But I’m sure competitors of Microsoft SQL will be very interested in this explanation:
“A spokesperson for Microsoft said that the problem was not bandwidth but that its SQL Server database had reached excessive fragmentation levels caused by the tremendous surge of queries.”
Another reasonable explanation I saw:
http://www.sqlskills.com/BLOGS/PAUL/post/Why-did-the-Windows-7-RC-failure-happen.aspx