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So while default database is connected automatically, successful connection can be guaranteed. To fix SQL Server login error 4062/4064, please specify an available, valid database as user's default database. Case 2: Fix SQL Server login failed error 4062/4064 So you can try to get administrator rights or configure Windows Firewall to allow SQL Server access. Probably you have no admin privileges to server, or Windows Firewall has not allowed SQL Server access. Situation 6: The login is valid but server access is failed. You should need to enable SQL Server login user or enable SQL Server authentication mode after connecting to server with Windows authentication mode. If it is just because of user password incorrect or invalid, you can reset user password with SQL Password Genius, and then login SQL Server with new password again. Situation 4: The login user password is valid or incorrect, or the password is changed. To resolve this issue, verify that you are logged in to the correct domain.

This might be because the Windows login is from an untrusted domain.

Situation 3: The login may use Windows Authentication but the login is an unrecognized Windows principal.Īn unrecognized Windows principal means that Windows can't verify the login. If not, create new login in SQL Server Books Online. In order to make SQL Server login with user, please confirm that you have a login user. Situation 2: You are trying to connect by using SQL Server Authentication but the login used does not exist on SQL Server. To login SQL Server successfully, you should change to login SQL Server with Windows Authentication mode and enable Mixed Authentication mode or SQL Server Authentication mode.

Situation 1: The login may be a SQL Server login but the server only accepts Windows Authentication. Now we will introduce some situations when there is no user credentials for SQL Server logon and how to solve SQL Server login problem. " Login failed for user" would occur if the user tries to login with credentials without being validated.

Case 2: Fix SQL Server login failed error 4062/4064Ĭase 1: Fix SQL Server login failed error 18456/18452.

Case 1: Fix SQL Server login failed error 18456/18452.

Section 2: Fix SQL Server Login Failed Error Is in suspect mode, or is in single user mode but the only available connection is already being used by someone else or by something else. Has been set to the RESTRICTED_USER state or is set to emergency status. No longer exists, offline or has been detached. Instead, you receive error 4062/4064 message.ĭefault database becomes unavailable probably because the database: However, if it is unavailable when connected, you may not be able to connect. And it is used automatically when you connect to computer that is running Microsoft SQL Server, and you do not specify a login database. While you receive SQL Server failed login error 4062/4064, you should look for reason why cannot open default database.Īs is known, each user has a default database. Refer to common error states and their descriptions in following table, you would find the real reason for failed logining SQL Server. View the entry and just need to pay attention to the " State", which the server will accurately set to reflect the source of the problem. To determine the true reason for the SQL Server login failure, the administrator can look in server's error log where a corresponding entry will be written. We should know that the ' State' will always be shown to be ' 1' regardless of the nature of the problem. Msg 18456, Level 14, State 1, Server, Line 1 While you receive error 18456/18452 message, please check error state in SQL Server error log. Section 1: Check the Error State or Find Reason to This Error

Section 2: Fix SQL Server Login Failed Error.

Section 1: Check the Error State or Find Reason to This Error.However, what lead to these errors occurring? Now let's learn to check these login failed error details and fix them in this article. The user is not associated with a trusted SQL Server connection. How to Fix Login Failed to SQL Server - Error 18456/18452/4064/4062Īfter you install Microsoft SQL Server 2016/2014/2012/2008/2005/2000, and you try to connect to server that is running SQL Server, probably you receive one of following error messages.