Windows Genuine Advantage suffers worldwide outage, problems galore

Microsoft has had a failure of their WGA servers.  You may wish to wait until Tuesday to use WGA as some users are reporting that WGA is broken and may invalidate your copy of Windows Vista or XP! :astonished:

http://arstechnica.com/news.ars/post/20070825-windows-genuine-advantage-suffers-worldwide-outage-problems-galore.html

The issue has been fixed:-)

http://blogs.msdn.com/wga/archive/2007/08/25/validation-issue-fix.aspx