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How do I fix the login failed for Microsoft SQL Server Error 18456?

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How do I fix the login failed for Microsoft SQL Server Error 18456?

Troubleshooting Microsoft SQL Server Error 18456

  1. Step 1: Log In with Remote Desktop.
  2. Step 2: Run Microsoft SQL Server Management.
  3. Step 3: Checking the Server Authentication Mode.
  4. Step 4: Restart the SQL Service.
  5. Step 5: Checking SQL User Permissions.
  6. Step 6: Mapping the User to the Database.

How do I find the SQL Server error log?

In the Microsoft SQL Server Management Studio, expand the SQL Server. In the Object Explorer, expand Management → SQL Server Logs. Choose the error log you want to see, for example the current log file. The date beside the log indicates when a log was changed the last time.

How do I change SQL Server authentication from Windows to SQL?

On the Object Explorer window right click on the server name and go to Properties.

  1. Select the Security section. Under Server Authentication change the selection from Windows Authentication mode to SQL Server and Windows Authentication mode. Click Ok.
  2. Click Ok.

What is SQL Server error log?

The error log contains informational messages, warnings, and information about critical events. The error log also contains information about user-generated messages and auditing information such as logon events (success and failure). The error log is a valuable data point for SQL Server administrators.

How do I enable SQL Server logging?

To enable temporary SQL logging:

  1. Go to > General Configuration > Logging and Profiling.
  2. Choose Enable SQL Logging.

How do I enable SQL Server and Windows Authentication mode?

2.3 Enabling SQL Authentication or Mixed Authentication Right-click the server you wish to modify and then click Properties. Select the Security Page. Under the Server authentication heading choose either the desired authentication: Windows Authentication or SQL Server and Windows Authentication mode. Click OK.