SQL Server Login

I have a Microsoft SQL Server 2005 installation. I have always used windows authentication for login.

I use an ODBC to connect to the Front End PC's

All my logins are still listed but when I test the odbc's I am getting the following message.

How can I test the login?
BrogrimInformation Systems Development ManagerAsked:
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Aneesh RetnakaranDatabase AdministratorCommented:
Whats the error message ? are you able to login to the sql server with the specified user name and password ?
Vitor MontalvãoMSSQL Senior EngineerCommented:
So, where's the error message?
BrogrimInformation Systems Development ManagerAuthor Commented:
I can login into the server engine, the message i get from my ODBC is

Connection failed
SQL State 28000
SQL Server Error : 18452

Microsoft ODBC SQL Server Driver SQL Server Login failed for user. The user is not associated with a trusted SQL Server connection.
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Vitor MontalvãoMSSQL Senior EngineerCommented:
In the ODBC configuration for that connection you need to check the Windows Authentication option and not provide a user and password.
BrogrimInformation Systems Development ManagerAuthor Commented:
I have checked the ODBC configuration and it as as you suggested.

My problem is that while logins are listed the users are no longer recognized in Windows Authentication , how can I check if the users are registered on the server?
Vitor MontalvãoMSSQL Senior EngineerCommented:
Open SQL Server Management Studio and connect to the SQL Server instance and in the Security folder verify the Logins that are there. Should be the users that has permissions to connect.
Aneesh RetnakaranDatabase AdministratorCommented:
Do you see any error message on the SQL Server error log ?

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BrogrimInformation Systems Development ManagerAuthor Commented:
apologies on delay, too long a story
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Microsoft SQL Server

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