Ms Sql Server Error 18456 Severity 14 State 16
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Sql Error 18456 Severity 14 State 38
16. in log up vote 1 down vote favorite SQL Server 2005 SP4 Standard Edition 32-bit. One to a few times during the work day, seemingly at random, I am getting a log entry of "Login failed for user 'OurDomain\mfreeman'. [CLIENT: 192.168.0.48]". This is paired with a log entry of "Error: 18456, Severity: 14, State: 16." at the same time. This is my own login (which has error 18456 severity 14 state 5 login failed for user the sysadmin role in the instance), and it is coming from my workstation. I captured an example of this with Profiler and found that it is for the master database (which is online and not having any troubles -- I can run queries against it in SSMS just fine) and is coming from an ApplicationName of ".Net SqlClient" (which could be anything). I am not getting any visible errors in any applcations (such as VS2012 with SSDT and Report Builder) or SSMS add-ins that I am using (ApexSQL Complete, SSMS Tools, Dell Spotlight Essentials). Is there any way to find out more specifically what might be attempting the access or why it might be failing? sql-server sql-server-2005 login share|improve this question asked Dec 19 '13 at 16:05 Mark Freeman 66911234 add a comment| 2 Answers 2 active oldest votes up vote 0 down vote State 16 means that the default database was inaccessible. This could be because the database has been removed, renamed, or is offline (it may be set to AutoClose). This state does not indicate a reason in the error log. Resolve by fixing the missing database, or changing the login's default database using ALTER LOGIN, e.g. ALTER LOGI
SQL Server experts to answer whatever question you can come up with. Our new SQL Server Forums are live! Come on over! We've restricted the ability to create new threads on error 18456 severity 14 state 8 but password is correct these forums. SQL Server Forums Profile | ActiveTopics | Members | Search | ForumFAQ Register Now and get your question answered! Username: Password: Save Password Forgot your Password? All Forums SQL Server 2005 Forums SQL Server Administration (2005) Error: 18456, Severity: 14, State: 16. Reply to Topic Printer Friendly Author Topic tanveerahmed Starting Member 6 Posts Posted-09/16/2008: 05:43:49 Hi,Since morning I have observed the following errors in sql 2005 http://stackoverflow.com/questions/20686293/sql-server-2005-getting-error-18456-severity-14-state-16-in-log error logsError: 18456, Severity: 14, State: 16.Login failed for user 'sa'. [CLIENT: XXX.XXX.XX.XXX](where XXX represents Ip address of client machine)After that the client machines are not getting connected to sql server. Actually I have 2 applications connected to the same sql server. One is working perfectly fine while the other is not able to connect. Both the applications are connected through sa. Can someone please help me to solve this issue.Note : SQL http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=110713 Server version is SQL Server 2005 standard Edition with SP2 SwePeso Patron Saint of Lost Yaks Sweden 30421 Posts Posted-09/16/2008: 05:50:26 Is one of the clients using the wrong password for sa account?E 12°55'05.63"N 56°04'39.26" YellowBug Aged Yak Warrior United Kingdom 616 Posts Posted-09/16/2008: 09:20:04 The error state of 16 means "The incoming user does not have permissions to log into the target database"Check - the user specified a database that they don't have permission to (unlikely with SA).- you've specified a database that doesn't exist (maybe you misspelled the database's name). - the target database is in single-user mode.I find the error state very helpful in trouble-shooting "Login failed" issues tanveerahmed Starting Member 6 Posts Posted-09/17/2008: 05:43:04 Hi ,Thanks for your reply..I have checked all the possibility. ie the user access, database existance, muti-user mode. Everything is proper.The fun out here is that I am able to connect the application with sql server 2000 with same credentials; just a change in ip address of the database server. It's working perfect in sql server 2000 ...Can you please assist me in finding a solution for the same.Thanks once again.. YellowBug Aged Yak Warrior United Kingdom 616 Posts Posted-09/17/2008: 08:58:44 Can you post the two connection strings - re
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 https://blogs.msdn.microsoft.com/sql_protocols/2006/02/21/understanding-login-failed-error-18456-error-messages-in-sql-server-2005/ server's error log (if the auditlevel is set to log failures on login which is http://sqlblog.com/blogs/aaron_bertrand/archive/2011/01/14/sql-server-v-next-denali-additional-states-for-error-18456.aspx 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 client will display the following error mesage. Msg 18456, Level 14, State 1, Server
of Plan Explorer and a performance monitoring and event management platform for the Microsoft Data Platform and VMware. He has been blogging here at sqlblog.com since 2006, focusing on manageability, performance, and new features, and also blogs at blogs.sentryone.com and SQLPerformance.com; has been a Microsoft MVP since 1997; tweets as @AaronBertrand; and speaks frequently at major conferences, user group meetings, and SQL Saturday events worldwide. Troubleshooting Error 18456 I think we've all dealt with error 18456, whether it be an application unable to access SQL Server, credentials changing over time, or a user who can't type a password correctly. The trick to troubleshooting this error number is that the error message returned to the client or application trying to connect is intentionally vague (the error message is similar for most errors, and the state is always 1). In a few cases, some additional information is included, but for the most part several of these conditions appear the same to the end user. In order to figure out what is really going wrong, you need to have alternative access to the SQL Server and inspect the log for the true state in the error message. I helped our support team just today solve a client's 18456 issues - once we tracked down the error log and saw that it was state 16, it was easy to determine that their login had been set up with a default database that had been detached long ago. In SQL Server 2012, there is a new feature called "contained databases" - I've blogged about it here and here. With this feature comes a new layer of security that may creep onto your radar if you use this functionality: contained user authentication failures. There are a variety of things that can go wrong here. If you connect with a contained user but forget to specify a database name, SQL Server will attempt to authorize yo