Cannot Connect To Sql Server 2008 Error 18456
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Microsoft Sql Server Error 18456 State 1
this question edited Jan 4 '13 at 6:41 asked Mar 19 '10 at 3:38 Sreedhar 9,7572379134 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 1 more comment 4 Answers 4 active oldest votes up vote 28 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 log
SQL Server 2005 ★★★★★★★★★★★★★★★ SQL Server ConnectivityFebruary 21, 2006411 0 0 0 In continuing with the theme of understanding error messages I'll discuss
Microsoft Sql Server 2005 Error 18456
the "login failed" messages that are surfaced by the client and written microsoft sql server error 18456 state 11 to the server's error log (if the auditlevel is set to log failures on login which is the microsoft sql server error 18456 login failed for user default) in the event of an error during the login process. If the server encounters an error that prevents a login from succeeding, the client will display the following http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456 error mesage. Msg 18456, Level 14, State 1, Server
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