Enable xp_cmdshell

---- To allow advanced options to be changed.
EXEC sp_configure ‘show advanced options’, 1
GO

—- To update the currently configured value for advanced options.
RECONFIGURE
GO

—- To enable the feature.
EXEC sp_configure ‘xp_cmdshell’, 1
GO

—- To update the currently configured value for this feature.
RECONFIGURE
GO

SOURCE