This smoking hot little tidbit is burning my fingers…

Microsoft has always recommended providing scalability of IIS to use Network Load Balancing (NLB).  This does not provide high availability.

MS has just released a process to configure IIS as highly available using failover clustering.  This process was previously only possible using third party tools.

Enjoy!

http://support.microsoft.com/kb/970759/EN-US

Read the complete post at http://owsug.ca/blogs/brad/archive/2009/10/30/Making-IIS7-highly-available-using-Server-2008-Failover-Clustering.aspx