With an implementation of Microsoft Dynamics CRM 2011 you may or may not be aware that the license key you used for the installation is stored within the MSCRM_CONFIG database.
Since this key is stored within Microsoft SQL Server, we can use T-SQL to extract it out along with some other useful settings.
Take a look at the T-SQL shown below to view the logic to display your license key of your Microsoft Dynamics CRM 2011 installation. The screenshot has been taken from SQL Management Studio.