Ms Sql Server 2008 R2 Error 18456
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or error number: 18456 severity: 14 state: 1 posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss microsoft sql server error 18456 windows authentication Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes login failed for user 'sa'. (microsoft sql server error 18456) a minute: Sign up Unable to login to SQL Server + SQL Server Authentication + Error: 18456 up vote 79 down vote favorite 17 I have created login account on my localhost\sql2008 Server (Eg. User123) Mapped to Database (default) Authentication
18456 Sql Server Authentication 2014
Mode on SQL Server is set to both (Windows and SQL) But login to SQL Server fails with following message (for User123) Note: Have checked multiple time that UserName / Password are typed in correctly Error Details: Login failed for user 'User123' (Net.SqlClient Data Provider) Server Name : localhost\sql2008 Error Number: 18456 Severity : 14 State : 1 Line Number : 65536 any help on this please. sql-server sql-server-2008 share|improve this question edited Jan 4 '13 at 6:41 asked Mar 19 server is configured for windows authentication only '10 at 3:38 Sreedhar 9,8022380135 1 Test both the sql and windows authentication access through SqlServer Management Console for the user and see if you can access with the above account. What data provider and connection string are you using? –Joe Pitz Mar 19 '10 at 3:51 1 Am trying to login in SSMS and it throws above error. –Sreedhar Mar 19 '10 at 3:52 1 Are you running vista? –Joe Pitz Mar 19 '10 at 3:57 1 Its WindowsXP with SP3 –Sreedhar Mar 19 '10 at 3:58 1 You can login as admin account? –Joe Pitz Mar 19 '10 at 4:06 | show 2 more comments 4 Answers 4 active oldest votes up vote 29 down vote accepted By default login failed error message is nothing but a client user connection has been refused by the server due to mismatch of login credentials. First task you might check is to see whether that user has relevant privileges on that SQL Server instance and relevant database too, thats good. Obviously if the necessary prvileges are not been set then you need to fix that issue by granting relevant privileges for that user login. Althought if that user has relevant grants on database & server if the Server encounters any credential issues for that login then it will prevent in granting the authentication back to SQL Server, the client will get the following error message: Msg 18456, L
Chief Technology Strategist Dan StoltsHome Join Event Notification Thought Leadership Newsletter Powershell Resources About Dan Stolts Home » Uncategorized » How to Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator to SQL Management Studio How to sql server error 18456 state 28000 Fix Login Failed for User (Microsoft SQL Server, Error: 18456) Step-By-Step – Add SQL Administrator
Sql Server Error 233
to SQL Management Studio tagged GURU-Tip / How To / SQL Server / Step-By-Step In this post (and video), I will teach you
Sql Error 18456 State 38
how to determine what user has administrative rights on the server as well as walk you Step-By-Step how to configure SQL Server to allow other users to login as Administrators to SQL Server. The generic message “Login Failed http://stackoverflow.com/questions/2474839/unable-to-login-to-sql-server-sql-server-authentication-error-18456 for User (Microsoft SQL Server, Error: 18456)” means you entered invalid credentials when logging into SQL Server. Video is short but has additional tips and tricks so watch the video to get the FULL STORY! In the below screen shot, I am logging into Microsoft SQL Server Management Studio with a user that does not have administrative permissions to connect to the server. You need to figure out what user does have rights to SQL server. Usually http://itproguru.com/expert/2014/09/how-to-fix-login-failed-for-user-microsoft-sql-server-error-18456-step-by-step-add-sql-administrator-to-sql-management-studio/ this is the user that you logged in with when you installed SQL Server or the user that is the default administrator on the computer. To get a list of users on the machine (Assuming Windows Server 2012 or above) Step-By-Step Launch Server Manager – Start – Click Server Manager In the upper right corner, click Tools, then Computer Management Expand Local Users and Groups (Under Computer Management-System Tools) then click Users Notice under Description… There is a Built-in account for administering… This is very likely an account that has access to SQL server. Try logging onto windows with that account that is Built-in account for administering then we can grant rights to the user you want to use to login to SQL Server. Now that you are logged into Windows with an account that has access to connect to SQL Server, Let’s go in and grant rights to the user that you want to be able to use to access SQL Server. Step-By-Step Launch SQL Server Management Studio again and you should be able to Connect Expand your ServerName, then Expand Security, then Logins. Click Logins Right-Click Logins Select New Login… Click the Search Button Type in the Windows User Name you would like to add as an SQL Administrator then click Check Names (or
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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 server's error log (if the auditlevel is set to log failures on login which is 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