We use SQL Server Management Studio 2008 R2. IntelliSense works with SA account perfectly. But it is not working with Windows Authentication user. The user has access master db
After installing visual studio or upgrading that, this issue can happen follow the link :
what is the problem of IntelliSense in sqI ntelliSense
and for solve that you can do this:
update sql server
by updating to the latest version you can get your solution.