Programming

regedit

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\Shell\Languages\Language Services\SQL

To turn off IntelliSense by default: set the value of the CodeSense to 0 
To enable IntelliSense by default: set the value of the CodeSense to 1

Disable IntelliSense in SQL Server 2008
Turn off IntelliSense on SQL editor (2008)
regedit HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft SQL Server\100\Tools\Shell\Languages\Language Services\SQL To turn off IntelliSense by default: set the value of the CodeSense to 0 To enable IntelliSense by default: set the value of the CodeSense to 1