Software⏱️ 4 min readπŸ“… 2026-06-15

How to Fix: odbc error connecting mysql: "sql server does not exist or access denied"

ODBC error connecting to MySQL database on webhost server.

Quick Answer: Check the MySQL username and password, as well as the connection settings in Microsoft Access.

The error 'SQL Server does not exist or access denied' occurs when attempting to connect to a MySQL database using ODBC with Microsoft Access on a web host server. This issue affects users who have been trying to establish a connection for several weeks and have encountered various obstacles.

This problem is particularly frustrating because it prevents users from accessing their data, which can significantly impact productivity and work efficiency. In this troubleshooting guide, we will explore the root causes of this error and provide step-by-step solutions to help resolve the issue.

πŸ” Why This Happens

  • The primary reason for this error is that the MySQL database server may not be properly configured or accessible from the Microsoft Access application on the web host server. This can be due to a variety of factors, such as incorrect database credentials, firewall restrictions, or issues with the ODBC driver configuration.
  • Another possible cause is that the MySQL database server is not running or is not available for connection. Additionally, it's also possible that the ODBC driver is outdated or corrupted, which can lead to authentication errors.

πŸ› οΈ Step-by-Step Verified Fixes

Configuring ODBC Driver and Database Credentials

  1. Step 1: Step 1: Ensure that the MySQL database server is running and accessible from the web host server. Check the server's status and ensure that it is not down for maintenance or other reasons.
  2. Step 2: Step 2: Verify that the correct database credentials are being used to connect to the MySQL database. Check the username, password, host, and port number in the ODBC connection settings.
  3. Step 3: Step 3: Update the ODBC driver configuration to ensure that it is pointing to the correct MySQL database server. This may involve updating the 'Server' field with the correct hostname or IP address of the web host server.

Checking Firewall Restrictions and Server Configuration

  1. Step 1: Step 1: Check if there are any firewall restrictions blocking access to the MySQL database server. If so, configure the firewall rules to allow incoming connections from the Microsoft Access application on the web host server.
  2. Step 2: Step 2: Verify that the ODBC driver is properly configured and pointing to the correct MySQL database server. Ensure that the 'Authentication' field is set to 'SQL Server Authentication' or 'Windows Authentication', depending on the chosen authentication method.

✨ Wrapping Up

To resolve the 'SQL Server does not exist or access denied' error when connecting to a MySQL database using ODBC with Microsoft Access on a web host server, it's essential to first verify that the MySQL database server is running and accessible. Next, ensure that the correct database credentials are being used and update the ODBC driver configuration accordingly. Additionally, checking firewall restrictions and verifying server configurations can also help resolve this issue. By following these steps, you should be able to establish a successful connection to your MySQL database.

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