SQL Server is using Windows Authentication and can't pickup your credentials. Are you trying to login using SQL Server Authentication?

-Mike

>Hi,
>
>I'm facing some problem when i try to connect to sql server. I already installed the SQL Server to the server, so now I try to connect to the sql server at the server side.
>But the connection is failed, then a message was showed:
>
> Connection failed:
> SQLState: '28000'
> SQL Server Error:18452
> [Miceosoft][ODBC SQL Server Driver][SQL Server]Login failed for user '(null)'. Reason:
> Not associated with a trusted SQL Server connection.
>
>same result cames out if i use the user to login...
>
>what should i do to slove this problem??!!!
>
>thanks a lot...
>calyn..