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

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.

Can not connect to SQL Server login failed for user?

Select Windows Authentication from the Authentication drop-down, then click Connect to log in to SQL Server. Right-click on the server name (ie COMPUTERNAME\ACCTIVATE) and choose Properties . Click Security in the list on the left. Select SQL Server and Windows Authentication mode on the right and click OK.

How do I log into SQL Server authentication?

Procedure

  1. In the SQL Server Management Studio, open Object Explorer.
  2. Click Server_instance_name > Security > Logins.
  3. Right-click Logins and select New Login.
  4. On the General page, in the Login name field, type the name for a new user.
  5. Select SQL Server authentication.
  6. In the Password field, type a password for the user.

How do I find the SQL Server error log?

View the logs

  1. In SQL Server Management Studio, select Object Explorer.
  2. In Object Explorer, connect to an instance of SQL Server, and then expand that instance.
  3. Find and expand the Management section (assuming you have permissions to see it).
  4. Right-click SQL Server Logs, select View, and then choose SQL Server Log.

How do I find my SQL Server username and password?

You can see the user mappings by opening Sql Server Management Studio and connecting to your server. In the Object Explorer area expand the Security and then Login folders (just under “Databases”). Double-click a login to open it’s Properties window, and find the User Mappings section.