During Microsoft Management Summit 2011 (MMS 2011) Microsoft has released the second beta of upcoming SCCM 2012. You can download it on the following link - System Center Configuration Manager 2012 Beta 2
Lots of improvements and new features are promised including managing Linux OS computers. Even setup HTA looks a bit nicer:
According to System Requirements you can notice that SQL Server 2008 SP1 with CU10 (64-bit) is required to installation. I would say that you should pay attention to that requirement since I didn't and managed to install SQL Server 2008 R2. Finally I faced the following warning
The clear message "Configuration Manager sites require SQL Server 2008 SP1 with Cumulative Update 10 or higher for site database operations to succeed. SQL Server 2008 SP2 and SQL Server 2008 R2 are not supported." says that this requirement is hard.
Please note that even SQL Server 2008 SP2 is not supported.
The only question is why...
The latest Cumulative Update for SQL Server 2008 Service Pack 1 at this moment is #13.
You can download it from the following KB article #2497673