Support policy for Microsoft SQL Server products that are running in a hardware virtualization environment

If you want to know if it is supported to run the SQL Server in a virtualized environment than this is the right article for you:

http://support.microsoft.com/kb/956893/en-us

Summaries:

1. SQL 2005 or higher is supported on Hyper-V or a hypervisor validated in the SVVP program
2. Snapshots of the VM are NOT supported.
3. Hyper-V Dynamic Memory is supported but only useful with SQL Server version Enterprise and Datacenter