Scalable shared databases are supported by SQL Server 2005http://msmvps.com/blogs/epprecht/archive/2005/11/08/74908.aspxSomething that seems to have been added to SQL Server 2005 Enterprise Edition, very late in the development cycle, seems to be on of it's best features. The ability to have one DB, located on SAN, available to multiple SQL Servers at the same time, asenCommunityServer 2008.5 SP2 (Build: 40407.4157)