http://lonesysadmin.net/2011/10/06/how-to-install-microsoft-sql-server-2008-r2-for-vmware-vcenter-5/

http://technet.microsoft.com/en-us/sqlserver/ff898410

1. Add a local user to the MSSQL server (sqldb)
2. Decide where to install to (E:)
3. Install Microsoft .NET 3.5 SP1 (Server Manager → Roles → Add Role → Application Server → .Net 3.5.1)
4. Run the MSSQL setup
5. Run the “System Configuration Checker” and fix any errors
6. Select “Installation” then “New installation or add features to an existing installation.”