New answers tagged error-handling
SQL Server error 18456 can be occur due to several reasons sometimes it can be occur by inserting wrong username and SA password. see here for the possible reasons of concurrence of this error: http://www.slideshare.net/jason_clark03/sql-server-error-18456-a-quick-resolution-54672608
One location for finding out about many of these states is a post by Aaron Bertrand at: http://sqlblog.com/blogs/aaron_bertrand/archive/2011/01/14/sql-server-v-next-denali-additional-states-for-error-18456.aspx The error you are asking about are: Error: 18456; Severity: 14 State: 23 - Access to server validation failed while revalidating the login on the ...
Severity 25 is a 'catch-all' fatal system error. A severity 25 error is a fatal system error. I have heard that severity 25 is more or less a catch-all for miscellaneous fatal errors. I have only seen this error when related to failed upgrades: something prevents one of the upgrade scripts from running, and a severity 25 error is thrown ...
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