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VB.Net 2005 Cannot Login With SQLAuthentication

Posted on 2011-02-11
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Last Modified: 2012-05-11
I have a VB.net windows forms application that is a front-end to a SQL Server databse. Using ado.net 2.0 I am able to login to the database with Windows Authentication no problem. However, when attempting to use SQL Authentication the log in fails with the following message: "Login failed for user 'dan'. The user is not associated with a trusted SQL Server connection"
Here is the connection string being used for SQL Authentication (fails): "Provider=SQLOLEDB;Server=SERVER2006\SQLEXPRESS;Database=TestDB;Uid=dan; Pwd=1111"  I must be able to use SQL Authentication for security reasons. Please help with this problem. Thank you.

BTW:Here is the database connectioon string that works in Windows Authentication (succeeds): "Provider=SQLOLEDB;Integrated Security=SSPI;Persist Security Info=False;Initial Catalog=TestDB;Data Source=SERVER2006\SQLEXPRESS"
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Question by:gcook17
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CodeCruiser earned 500 total points
ID: 34874538
Change the authentication mode to mixed mode

http://support.microsoft.com/kb/555332
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Author Closing Comment

by:gcook17
ID: 34874661
Thanks
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Author Comment

by:gcook17
ID: 34874783
One more comment. The above connection string actually should say "User ID" (instead of Uid) and "Password" (instead of Pwd). I believ this does make a difference.

"ADOConnectionString" value="Provider=SQLOLEDB;Persist Security Info=False;Initial Catalog=Database;Data Source=SERVER2006\SQLEXPRESS;User ID=dan;Password=1111"
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