How to fix - SQL Server Authentication mode error
Login failed for user ‘username’. The user is not associated with a trusted SQL Server connection. (Microsoft SQL Server, Error: 18452)
Solution
To resolve this issue, follow the instructions to set User Authentication.
SQL Server 2000:
Go to Start > Programs > Microsoft SQL Server > Enterprise Manager
Right-click the Server name, select Properties > Security
Under Authentication, select SQL Server and Windows
The server must be stopped and re-started before this will take effect
SQL Server 2005:
Go to Start > Programs > Microsoft SQL Server 2005 > SQL Server Management Studio
Right-click the Server name, select Properties > Security
Under Server Authentication, select SQL Server and Windows Authentication Mode
The server must be stopped and re-started from Windows services menu before this will take effect.
