The same hanging behavior occurred with both Windows 7 and Windows Server 2008 R2 64-bit editions. Not only that, the same occurred with the Denali CTP1 (aka SQL 11) that was handed out at the PASS ...

SQL Server (TM) 2000 Enterprise Edition (64-bit), which is designed to support memory-intensive and high-performance applications running on 64-bit versions of Microsoft Windows Server (TM) 2003.