What role does the SQL Server error log play in diagnosing error 18456?

By: USER3831
28 Agustus 2025 Support 5 minutes
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Grade: Education Subject: Support
What role does the SQL Server error log play in diagnosing error 18456?
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The SQL Server error log provides detailed information about login failures, including the username attempted, the source of the attempt (IP address, application), and any specific error messages. This log can pinpoint the exact cause of the failure, such as an invalid login attempt or a configuration issue. It's usually located in the SQL Server installation directory under the 'Log' folder.
Answered on 28 Agustus 2025

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