yes if ur upgrading from SQL Server2005 to SQL server 2008 or SQL server 2008R2

Below is some links which can be of help:

http://www.scalabilityexperts.com/tools/downloads.html

http://msdn.microsoft.com/en-us/library/ms144256.aspx

http://msdn.microsoft.com/en-us/library/cc879337.aspx