Microsoft Sql Error Number 18456
Contents |
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow error number: 18456 severity: 14 state: 1 the company Business Learn more about hiring developers or posting ads with us Stack
Login Failed For User 'sa'. (microsoft Sql Server Error 18456)
Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community microsoft sql server error 18456 windows authentication of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Unable to login to SQL Server + SQL Server Authentication + Error: 18456 up vote 79 down
Sql Server Error 233
vote favorite 17 I have created login account on my localhost\sql2008 Server (Eg. User123) Mapped to Database (default) Authentication Mode on SQL Server is set to both (Windows and SQL) But login to SQL Server fails with following message (for User123) Note: Have checked multiple time that UserName / Password are typed in correctly Error Details: Login failed for user 'User123' (Net.SqlClient Data Provider) Server Name : localhost\sql2008 Error Number: 18456 Severity sql error 18456 state 38 : 14 State : 1 Line Number : 65536 any help on this please. sql-server sql-server-2008 share|improve this question edited Jan 4 '13 at 6:41 asked Mar 19 '10 at 3:38 Sreedhar 9,8022380135 1 Test both the sql and windows authentication access through SqlServer Management Console for the user and see if you can access with the above account. What data provider and connection string are you using? –Joe Pitz Mar 19 '10 at 3:51 1 Am trying to login in SSMS and it throws above error. –Sreedhar Mar 19 '10 at 3:52 1 Are you running vista? –Joe Pitz Mar 19 '10 at 3:57 1 Its WindowsXP with SP3 –Sreedhar Mar 19 '10 at 3:58 1 You can login as admin account? –Joe Pitz Mar 19 '10 at 4:06 | show 2 more comments 4 Answers 4 active oldest votes up vote 29 down vote accepted By default login failed error message is nothing but a client user connection has been refused by the server due to mismatch of login credentials. First task you might check is to see whether that user has relevant privileges on that SQL Server instance and relevant database too, thats good. Obviously if the necessary prvileges are not been set then you
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or
Sql Server Error 18456 Severity 14 State 5
posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss
Sql Server Error 18456 State 28000
Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes sql state 28000 a minute: Sign up Unable to login to SQL Server + SQL Server Authentication + Error: 18456 up vote 79 down vote favorite 17 I have created login account on my localhost\sql2008 Server (Eg. User123) Mapped to Database (default) Authentication http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456 Mode on SQL Server is set to both (Windows and SQL) But login to SQL Server fails with following message (for User123) Note: Have checked multiple time that UserName / Password are typed in correctly Error Details: Login failed for user 'User123' (Net.SqlClient Data Provider) Server Name : localhost\sql2008 Error Number: 18456 Severity : 14 State : 1 Line Number : 65536 any help on this please. sql-server sql-server-2008 share|improve this question edited Jan 4 '13 at 6:41 asked Mar 19 '10 http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456 at 3:38 Sreedhar 9,8022380135 1 Test both the sql and windows authentication access through SqlServer Management Console for the user and see if you can access with the above account. What data provider and connection string are you using? –Joe Pitz Mar 19 '10 at 3:51 1 Am trying to login in SSMS and it throws above error. –Sreedhar Mar 19 '10 at 3:52 1 Are you running vista? –Joe Pitz Mar 19 '10 at 3:57 1 Its WindowsXP with SP3 –Sreedhar Mar 19 '10 at 3:58 1 You can login as admin account? –Joe Pitz Mar 19 '10 at 4:06 | show 2 more comments 4 Answers 4 active oldest votes up vote 29 down vote accepted By default login failed error message is nothing but a client user connection has been refused by the server due to mismatch of login credentials. First task you might check is to see whether that user has relevant privileges on that SQL Server instance and relevant database too, thats good. Obviously if the necessary prvileges are not been set then you need to fix that issue by granting relevant privileges for that user login. Althought if that user has relevant grants on database & server if the Server encounters any credential issues for that login then it will prevent in granting the authentication back to SQL Server, the client will get the following error message: Msg 18456, Level
SQL Server 2005 ★★★★★★★★★★★★★★★ SQL Server ConnectivityFebruary 21, 2006411 Share 0 0 In continuing with the theme of understanding error messages I'll discuss the "login failed" messages that are surfaced by https://blogs.msdn.microsoft.com/sql_protocols/2006/02/21/understanding-login-failed-error-18456-error-messages-in-sql-server-2005/ the client and written to the server's error log (if the auditlevel is set to log failures on login which is the default) in the event of an error during the login process. https://bjtechnews.org/2012/03/20/microsoft-sql-server-error-18456-login-failed-for-user/ If the server encounters an error that prevents a login from succeeding, the client will display the following error mesage. Msg 18456, Level 14, State 1, Server