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Event 18456 Login Failed For User

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Aug 03, 21 (Updated: Mar 18, 23)

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1. Microsoft.com
Disciplined San Francisco, CA 4 years ago

MSSQLSERVER_18456 - SQL Server | Microsoft Docs

https://docs.microsoft.com/en-us/sql/relational-databases/errors-event...

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2. Msdn.com
Explainer Cape Town, Western Cape, South Africa 4 years ago

How To Fix Login Failed for User Microsoft SQL Server Error ...

https://channel9.msdn.com/Blogs/raw-tech/How-To-Fix-Login-Failed-for-U...
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3. Liquidweb.com
Informed Germany 4 years ago

Microsoft SQL Server Error 18456 SOLVED! | Liquid Web ...

https://www.liquidweb.com/kb/troubleshooting-microsoft-sql-server-erro...
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4. Itproguru.com
Explainer Ghent, Belgium 3 years ago

How to Fix Login Failed for User (Microsoft SQL Server, Error ...

https://itproguru.com/expert/2014/09/how-to-fix-login-failed-for-user-...

The generic message “Login Failed for User (Microsoft SQL Server, Error: 18456)” means you entered invalid credentials when logging into SQL Server.

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5. Stackoverflow.com
Announcer Taipei, Taiwan 3 years ago

Login to Microsoft SQL Server Error: 18456 - Stack Overflow

https://stackoverflow.com/questions/20923015/login-to-microsoft-sql-se...
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6. Sqlserverlogexplorer.com
Reviewer Amsterdam, Netherlands 3 years ago

How to Resolve Microsoft SQL Server Login Failed Error 18456?

https://www.sqlserverlogexplorer.com/fix-microsoft-sql-server-login-fa...
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7. Nucleustechnologies.com
Announcer Dublin, Ireland 3 years ago

How to resolve the login failure SQL Server error code – 18456

https://www.nucleustechnologies.com/blog/error-sql-server-error-starti...
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8. Eventtracker.com
Guru Atlanta, GA 3 years ago

18456 Source: MSSQLSERVER - EventTracker KB --Event Id

https://kb.eventtracker.com/evtpass/evtPages/EventId_18456_MSSQLSERVER...

"Login failed for user ''." User Action : If you are trying to connect using SQL Server Authentication, verify that SQL Server is configured in Mixed Authentication ...

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9. Ibm.com
Critic New York, NY 3 years ago

Multiple Event Viewer Application Log entries 'Login failed for ...

https://www.ibm.com/support/pages/multiple-event-viewer-application-lo...
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10. Supertechman.com.au
Explainer Bangalore, India 3 years ago

How to resolve – Microsoft SQL Server Error 18456 Login ...

https://supertechman.com.au/how-to-resolve-microsoft-sql-server-error-...
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11. Logicalread.com
Reviewer Houston, TX, United States 3 years ago

2 Common Errors and Reasons for SQL Server Login Failures

https://logicalread.com/errors-sql-server-login-failures-pd01/
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12. Stackexchange.com
Legendary 3 years ago

Login failed for user - Error 18456 - Severity 14, State 38 ...

https://dba.stackexchange.com/questions/29613/login-failed-for-user-er...

State codes and their meaning. 1 'Account is locked out' 2 'User id is not valid' 3-4 'Undocumented' 5 'User id is not valid' 6 'Undocumented' 7 'The login being ...

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Editor Wiesbaden, Germany 3 years ago

Login failed for user - Error: 18456, Severity: 14, State: 38 ...

https://dba.stackexchange.com/questions/90445/login-failed-for-user-er...

a) From the Security Audit category (which is automatically listed in the default trace), keep the "Audit Login Failed" event. b) From the Errors and Warnings ...

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13. Bjtechnews.org
Scholar London, United Kingdom 3 years ago

Microsoft SQL Server Error 18456 Login Failed for User ...

https://bjtechnews.org/2012/03/microsoft-sql-server-error-18456-login-...
1
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14. Red-gate.com
Populist Perth, Australia 3 years ago

SQL Server error 18456 - login failed for user - SQL Backup ...

https://documentation.red-gate.com/sbu/errors-and-warnings/sql-server-...
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15. Sqlblog.org
Disciplined Manaus, State of Amazonas, Brazil 3 years ago

Troubleshooting Error 18456 – SQLBlog.org

https://sqlblog.org/2020/07/28/troubleshooting-error-18456
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16. Spiceworks.com
Teacher 3 years ago

[SOLVED] Event 18456 State 1 Could not find a login ...

https://community.spiceworks.com/topic/481447-event-18456-state-1-coul...

I get this error in the SQL2012 logs: "Login failed for user 'SOMEDOMAIN\skala'. Reason: Could not find a login matching the name provided." 'skala' is a domain ...

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17. Sqlservercentral.com
Teacher Hoboken, NJ 3 years ago

How to resolve 'Login failed for user' and sa password lost ...

https://www.sqlservercentral.com/blogs/how-to-resolve-%E2%80%98login-f...

How to resolve 'Login failed for user' and sa password lost (Error 18456). HeyMo0sh, 2019-03-11 (first published: 2019-02-23). This blog post explains how to ...

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18. Sqlauthority.com
Populist Athens, AL, USA 3 years ago

SQL SERVER - The Description for Event ID 18456 From ...

https://blog.sqlauthority.com/2017/11/15/sql-server-description-event-...
5
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19. Data-recovery-solutions.com
Legendary United States 3 years ago

Login failed for user (Microsoft SQL Server, error 18456) – Fixed

https://www.data-recovery-solutions.com/blog/login-failed-for-user-mic...
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20. Efficientbi.com
Announcer Krakow, Poland 3 years ago

"Event 18456, [Database Name] Login failed for user...Failed ...

http://support.efficientbi.com/knowledge-base/event-18456-database-nam...
5
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21. Solarwinds.com
Guru San Mateo, CA, USA 3 years ago

Solved: MSSQLSERVER Login failed applying SQL Server ...

https://thwack.solarwinds.com/t5/SAM-Discussions/MSSQLSERVER-Login-fai...

Event Category: (4) Event ID: 18456. Date: 6/17/2011. Time: 1:49:38 PM User: N/A Computer: S-AMUSDAT-ATA03 Description: Login failed for user ...

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22. Ivanti.com
Outspoken Hamburg, Germany 2 years ago

Error in SQL Server Log: Login failed for user 'Domain ...

https://forums.ivanti.com/s/article/Error-in-SQL-Server-Log-Login-fail...
5
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23. Sql-articles.com
Reviewer 2 years ago

Troubleshooting Login failed Error 18456 – SQL-Articles

http://sql-articles.com/articles/troubleshooting/troubleshooting-login...
2
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24. Wordpress.com
Curious United States 2 years ago

Multiple errors of : 18456 on the SQL Server (And in the Event ...

https://alwayssql.wordpress.com/2017/06/20/multiple-errors-of-18456-on...
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25. Hostingjournalist.com
Reviewer 2 years ago

Troubleshooting Microsoft SQL Server Error 18456, Login ...

https://hostingjournalist.com/troubleshooting-microsoft-sql-server-err...
6
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26. Jbswiki.com
Scholar Auckland, New Zealand 2 years ago

Error: 18456, Severity: 14, State: 5. Login failed for user 'NT ...

https://jbswiki.com/2019/07/30/error-18456-severity-14-state-5-login-f...
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27. Oostdam.info
Guru Québec, QC, Canada 2 years ago

SQL - Error 18456 login failed - Home / Startpagina

http://www.oostdam.info/index.php/knowledge-faqs/17-sql-errors-and-how...

SQL 2000 2005 2008 error 18456 State 1 login failed for user database clients ... The true reason for the login failure can be found on the SQL server error logs, where a ... In no event will we be liable for any loss or damage including without ...

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28. Mssqltips.com
Announcer Gothenburg, Sweden 2 years ago

SQL Server Error 18456: Finding the Missing Databases

https://www.mssqltips.com/sqlservertip/2581/sql-server-error-18456-fin...
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Troubleshooting

Before login, must ensure following:
  • Keyboard CAPS lock is OFF
  • You are not using an old password
  • Your given email/login-name is valid
  • Its not a phishing website
  • Do not use VPN as some sites restrict VPN
  • The internet connection is active and login form is loading cache
  • If the site requires captcha, it must be valid. Regenerate if its not readable
  • Still not resolved? Visit FAQs page
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