How to enable Ad Hoc Distributed Queries in SQL Server 2008 R2

When you run the Query with OPENROWSET  statement, Some times SQL Server 2008 generates the following error:

SQL Server blocked access to STATEMENT 'OpenRowset/OpenDatasource' of component 'Ad Hoc Distributed Queries' because this component is turned off as part of the security configuration for this server. A system administrator can enable the use of 'Ad Hoc Distributed Queries' by using sp_configure

To fix this problem run the following Query

EXEC sp_configure 'show advanced options', 1
RECONFIGURE
GO
EXEC sp_configure 'ad hoc distributed queries', 1
RECONFIGURE

GO