Administrating the Core Database Engine - Microsoft SQL Server 2008 R2 Administration - page 48

To avoid any interruption to the application functionality, which depends on the elevated
privileges on SQL Server 2008 R2 instance using BUILTIN\Administrator local group, you must
grant the permission explicitly after the installation is finished, or add the required Windows
Administrators group login during the setup at the point of the Account Provisioning tab, as
shown in the next screenshot:
The Extended Protection feature is enabled by default. The feature of Extended Protection for
Authentication is handled by the Operating System that enhances the protection to handle
the credentials when authenticating network connections by using Integrated Windows
Authentication. By default, SQL Server supports the service-binding and channel-binding that
reduces the service attacks.
See Also
The Policy Based Management Framework can be used by referring to the Server Protocol
Settings facet. Refer to the Implementing Policy - based management features as mentioned in
Chapter 7 , Implementing new Manageability features and practice .