As I got often asked about planning for the right infrastructures and operation for SAP in virtualized installations using Hyper-V, I just finished my White Paper which gives answers here. It addresses the aspect of SAP sizing and support, design of network and storage infrastructures, high availability, licensing and management of such infrastructures. The White Paper can be found here:

http://download.microsoft.com/download/9/9/0/990A0669-8EEA-4B30-BB39-A2CD0F0D761B/BestPracticeforSAPonHyper-VWhitePaperv1.9.docx

or on our Virtualization website:

http://www.microsoft.com/virtualization/solutions/business-critical-applications/default.mspx

Have fun working with Hyper-V

Josef