The Notification Server computer installation is tested with Microsoft SQL
Express, Standard, and Enterprise versions x86 and 64-bit. Using a 64-bit OS in
combination with an x64 version of SQL Server is highly recommended for dedicated
SQL servers that have more than 4GB of physical memory to take advantage of
the memory addressing capabilities of 64-bit hardware. For additional information,
please refer to the following article:
http://www.symantec.com/docs/HOWTO10723
http://www.symantec.com/business/support/index?page=content&id=HOWTO9965