Error 18452 User Not Associated
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Mssql Error 18452
from IBM website: "....Solution To resolve this issue, follow the instructions to set User Authentication. SQL Server 2000: Go to Start > Programs > Microsoft SQL Server > Enterprise Manager Right-click the Server name, select Properties > Security Under Authentication, select SQL Server and Windows The server must be stopped and re-started before this will take effect SQL Server 2005: Go to Start > Programs > Microsoft SQL Server 2005 > SQL Server Management Studio Right-click the Server name, select Properties > Security Under Server Authentication, select SQL Server and Windows Authentication Mode The server must be stopped and re-started before this will take effect..." http://www-1.ibm.com/support/docview.wss?uid=swg21119906 It has solved my problem, so I hope it could be helpful for you too. Tuesday, February 06, 2007 8:58 PM Reply | Quote 0 Sign in to vote Can you please post the exact error message from the SQL Server errorlog including the number and state of the error? Also, to get additional information, please connect the SQL Server Profiler and monitor the Audit Login and Audit Login Failed events in the Security category. Check to see what are the creden
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Error 18452 Sql Server
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SERVER - Fix : Error: 18452 Login failed for user ‘(null)'. The user is not associated with a trusted SQL Server connection. April 14, 2007Pinal DaveSQL, http://blog.sqlauthority.com/2007/04/14/sql-server-fix-error-18452-login-failed-for-user-null-the-user-is-not-associated-with-a-trusted-sql-server-connection/ SQL Server, SQL Tips and Tricks193 commentsSome errors never got old. I have seen many new DBA or Developers struggling with this errors.Error: 18452 Login failed for user ‘(null)'. The user is not associated with a trusted SQL Server connection.Fix/Solution/Workaround: Change the Authentication Mode of the SQL server from "Windows error 18452 Authentication Mode (Windows Authentication)" to "Mixed Mode (Windows Authentication and SQL Server Authentication)".Run following script in SQL Analyzer to change the authenticationLOGIN sa ENABLE
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ALTER LOGIN sa WITH PASSWORD = '