Ms Sql Express Error 18456
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Error Number: 18456 Severity: 14 State: 1
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Login Failed For User 'sa'. (microsoft Sql Server, Error: 18456)
Question x Dismiss 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 a minute: Sign 18456 sql server authentication 2014 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 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 error 18456 sql server and windows authentication mode 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 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 messa
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Server Is Configured For Windows Authentication Only
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Sql Server Error 18456 State 28000
has been removed. You’ll be auto redirected in 1 second. MSDN Library MSDN Library MSDN Library MSDN Library Design Tools Development Tools and Languages Mobile http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456 and Embedded Development .NET Development Office development Online Services Open Specifications patterns & practices Servers and Enterprise Development Speech Technologies Web Development Windows Desktop App Development TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is https://msdn.microsoft.com/en-us/library/cc645917.aspx archived and is not being maintained. MSSQLSERVER_18456 Other Versions SQL Server 2014 SQL Server 2012 Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2). Details Product Name SQL Server Event ID 18456 Event Source MSSQLSERVER Component SQLEngine Symbolic Name LOGON_FAILED Message Text Login failed for user '%.*ls'.%.*ls Explanation When a connection attempt is rejected because of an authentication failure that involves a bad password or user name, a message similar to the following is returned to the client: "Login failed for user '
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 the client and written to the server's error https://blogs.msdn.microsoft.com/sql_protocols/2006/02/21/understanding-login-failed-error-18456-error-messages-in-sql-server-2005/ 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. If the server encounters an error that prevents a login from succeeding, the https://bjtechnews.org/2012/03/20/microsoft-sql-server-error-18456-login-failed-for-user/ client will display the following error mesage. Msg 18456, Level 14, State 1, Server