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3 maj 2024 · You're using SQL Server Authentication, but the password you specified for SQL Server login is incorrect. Check the SQL error log for messages like "Reason: Password did not match that for the login provided" to confirm the cause. To fix the issue, use the correct password in your application or use a different account if you can't remember the ...
17 lis 2016 · SQL Authentication not enabled: If you use SQL Login for the first time on SQL Server instance than very often error 18456 occurs because server might be set in Windows Authentication mode (only). How to fix? Check this SQL Server and Windows Authentication Mode page.
18 gru 2023 · You may encounter the SQL Server Error 18456 if the server could not authenticate the connection and this can be caused by the non-availability of the administrator rights to the SQL server or if the TCP/IP protocol is disabled in the SQL server settings.
27 kwi 2012 · Error number 18456 indicates a login failure. To troubleshoot the SQL Server login failure we need to determine the state of the error message. In this tip we are going to troubleshoot error messages with an error state of 10. Execute the query below to determine the different login failures.
17 cze 2015 · After digging a bit i found the solution - SQL server error: 18456 overview - This error occurs when your authentication request is been successfully accepted by SQL server named, but due to some reason SQL server is not able to grant the access to connect.
I got this error trying to log on to an SQL Server with multiple instances. The connection string didn't name an instance. Once I named the instance (SERVERNAME\INSTANCENAME), I managed to connect to the server.
28 lip 2020 · Error: 18456, Severity: 14, State: 2. Login failed for user '<x>'. Reason: Could not find a login matching the name provided. The login (whether using SQL or Windows Authentication) does not exist.
