We are very proud to announce that SQL Server 2008 and Windows Server 2008 are now officially a supported solution for SAP.
More information can be found in this press release.
Some quick facts from our SAP portal site:
Over 65,000 SAP installations are on the Windows Server platform
Over 25,000 SAP installations are on SQL Server
Over 200 SAP customers have a productive database size of over 1TB and run on SQL Server
A joint Microsoft and SAP customer has a production database size of over 13TB and runs on SQL Server
A joint Microsoft and SAP customer is running SAP ERP with over 3,000 concurrent users on SQL Server
Another component of reducing cost - server consolidation - is addressed by Microsoft’s Virtualization solution that was recently certified by SAP