http://blogs.technet.com/b/andrew/archive/2009/04/28/sql-server-standard-edition-in-a-virtual-world.aspxOne of the limitations of SQL Server is that it only supports 4 processors (as you can see here ).&#160; That translates into 4 virtual processors if you run standard edition in a virtual machine.&#160; If there are more than four processors availableen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.technet.com/b/andrew/archive/2009/04/28/sql-server-standard-edition-in-a-virtual-world.aspx#3239494Tue, 12 May 2009 09:50:35 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3239494Andrew Fryer's Blog<p>There are occasions where you need multiple versions of SQL Server running at the same time and you may</p> <img src="http://blogs.technet.com/aggbug.aspx?PostID=3239494" width="1" height="1">