Software⏱️ 2 min read📅 2026-05-31

How to Fix: SQL Server: Login failed for user

SQL Server login failed for user error solution

Quick Answer: Check the SQL authentication settings and ensure that the username and password are correct.

To resolve the 'Login failed for user' error in your JDBC program, let's first understand what this error typically indicates. The 'Login failed for user' error usually occurs when the SQL Server authentication credentials you're using are incorrect or invalid.

🛠️ Step-by-Step Verified Fixes

Method 1: Using SQL Server Authentication

  1. Step 1: Ensure that the SQL authentication credentials you're using are correct. Verify that the username and password match those created in SQL Server.

Method 2: Using Integrated Security

  1. Step 1: Set the 'Integrated Security' property to 'SQL Server Authentication' in your JDBC connection string. This will prompt for a username and password when attempting to connect.

✨ Wrapping Up

By following these steps, you should be able to resolve the 'Login failed for user' error in your JDBC program and successfully connect to your SQL Server database.

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