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. 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. Notice under Description… There is a Built-in account for administering… This is very likely an account that has access to SQL server. In the upper right corner, click Tools, then Computer ManagementĮxpand Local Users and Groups (Under Computer Management-System Tools) then click Users Launch Server Manager – Start – Click Server Manager To get a list of users on the machine (Assuming Windows Server 2012 or above) Step-By-Step Usually 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. You need to figure out what user does have rights to SQL server. 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. ![]() SQL SERVER MANAGEMENT STUDIO 17 LOGIN FAILED FOR USER 18456 FULLVideo is short but has additional tips and tricks so watch the video to get the FULL STORY! The generic message “Login Failed for User (Microsoft SQL Server, Error: 18456)” means you entered invalid credentials when logging into SQL Server. ![]() SQL SERVER MANAGEMENT STUDIO 17 LOGIN FAILED FOR USER 18456 HOW TOIn this post (and video), I will teach you 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. This entry was posted in Technical on Jby admin.Tagged GURU-Tip / How To / SQL Server / Step-By-Step The connection string will be of the form:ĭata Source= Database= User Id= Password= You should then be able to create a connection string to use with an entity framework context using the server name, login/ user id and password you have set. OK and dialogs that come up asking for permission to restart the server. To do this, again right-click the server name in SQL Server Management Studio and choose Restart from the popup menu. ![]() To get SQL Server Express to pick up the new setting you need to stop and start the server. In the Server Properties dialog, click the Security settings node in the Select a page panel, then under the Server authentication settings, check the SQL Server and Windows Authentication mode. To access the configuration setting, right-click the topmost tree node (the server name) in SQL Server Management Studio and show the Server Properties. Every time I tried to specify the connection for a context then get a list of objects from the context, I got a SQL exception indicating that the login/ password did not work and could not be logged into the database.Īfter some research, I found that by default SQL Express only works with Windows Authentication for logins and you have to configure the server to work with both Windows Authentication and SQL Server logins with passwords. ![]() SQL SERVER MANAGEMENT STUDIO 17 LOGIN FAILED FOR USER 18456 CODEAfter creating a new SQL server login with a password in SQL Server Management Studio and then adding a user with the same name as the login to a database, I was having a lot of trouble getting my code first entity framework model to connect to the database.
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