1. Licensing questions: Call (8004269400), Monday through Friday, 6:00 AM to 6:00 PM PST to speak directly to Microsoft licensing specialist.

            • http://www.microsoft.com/sqlserver/en/us/get-sql-server/how-to-buy.aspx
            • http://www.microsoft.com/sqlserver/en/us/get-sql-server/licensing.aspx
            • http://www.microsoft.com/licensing/about-licensing/sql2012.aspx

 2. Setup failure (install, upgrade, patch, un-install): Post to SQL Setup & Upgrade MSDN forum, please upload/share SQL Server setup logs, you can use file/storage service like Skydrive to share/upload SQL Server setup logs.

3. Connection issues(error 26 or error 40): Steps to troubleshoot SQL connectivity issues

4. Supported upgrade paths

 

5. Hardware and Software Requirements:

6. Supported features per edition

7. Determine what features installed on the machine and at what level.: How to determine the version and edition of SQL Server and its components

8. SQL Server on windows 8/ Server 2012