Problem:
Connecting to SQL Server
with a query in SQL Server Management Studio, you get “Login failed for user
xxxx. The user is not associated with a
trusted SQL Server connection.”
Solution:
Open Microsoft SQL Server
Management Studio.
Connect to your sql
instance. Right click the instance name
in the Object Explorer window and select properties.
Select SQL Server and
Windows Authentication mode and click OK.
!Very
Important! Restart SQL Server for
this setting to take effect.