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

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

23 Answers

1. Right click on the server and click Properties.
2. Go to the Security page.
3. Under Server authentication choose the SQL Server and Windows Authentication mode radio button.
4. Click OK.
5. Restart SQL Services.

How do I fix user login failed?

In my case, I had to activate the option “SQL Server and Windows Authentication mode”, follow all steps below:

1. Right-click on your server.
2. Go to option Security.
3. Check the option “SQL Server and Windows Authentication mode”
4. Click on the Ok button.

Could not find a login matching the name provided Error 18456 Severity 14 State 5?

Error: 18456, Severity: 14, State: 5. Login failed for user ”. Reason: Could not find a login matching the name provided. And starting in Denali, for both state 2 and 5, this error can happen if you specify the correct username and password for a contained database user, but the wrong (or no) database.

Can’t find a login matching name provided?

2 Answers. Please make sure you have selected “SQL Server Authentication” mode for user you created from Server > Security > Logins option. Another possibility, is that you created the SQL Server login using Management Studio, and the option requiring the user to change the password on first login was checked.

What does SQL Server error 18456 mean?

Login Failed for User
The generic message “Login Failed for User (Microsoft SQL Server, Error: 18456)” means you entered invalid credentials when logging into SQL Server. In the below screen shot, I am logging into Microsoft SQL Server Management Studio with a user that does not have administrative permissions to connect to the server.

How can Login SA account in SQL Server?

Enable the sa Login:

1. Connect to the SQL Server instance using SSMS and go to Security. Expand Security, go to Logins.
2. You can see the sa account is disabled when you install SQL Server using Windows Authentication mode.
3. Right-click on the sa account and go to Login Properties.
4. Click on the Status page.

How do I enable Windows Authentication in SQL Server 2014?

Change authentication mode with SSMS

1. In SQL Server Management Studio Object Explorer, right-click the server, and then click Properties.
2. On the Security page, under Server authentication, select the new server authentication mode, and then 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.

What is sa password in SQL Server?

Symptoms. When you install Microsoft Data Engine (MSDE) version 1.0 or Microsoft SQL Server Desktop Engine (MSDE2000), the installation uses SQL Authentication by default. In addition, the default user name in these cases is sa, and the default password is blank.