Why do I get error message ‘Login failed for user ‘(null)’. Reason: Not associated with a trusted SQL Server connection’

Platform: ASP.NET| Category: Error Handling

This error usually indicates that SQLServer (or MSDE) is configured to use Windows Authentication. If you want to use a SQL login, you will need to enable SQL Authentication (mixed mode authentication).
For more details refer PRB: ASP/ODBC/SQL Server Error 0x80040E4D ‘Login Failed for User ’(Null)’’

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