Users member of systemadmin group are can only change the rights of SA user. If any user have to modify the permissions of SA, that user needs to have higher or equivalent rights as SA user. SA is system admin user and it is the highest level of user in system. This error occurred because of insufficient rights. SA account would be enabled and set with password for SQL Server logon.īut sometimes, you would not successfully run the commands, and get errors:Ĭannot alter the login 'sa', because it does not exist or you do not have permission.' Click " New Query" to create a query, and type followings:ĪLTER LOGIN WITH PASSWORD='password'ģ. Login into SQL Server using Windows Authentication mode and open Management Studio.Ģ. Way 2: Enable SQL Server SA Account with Scriptġ. And you will be able to login into SQL Server with sa account under SQL Server Authentication mode.
Restart SQL Server Services and SQL Server Management Studio. Click "OK" to save changes and close Login Properties. Then select Status option, set sa account Enabled.Ģ.
Right click sa account and go to Login Properties, set password for sa account and confirm it. After enabling SQL Server Mixed authentication mode, navigate to Security Logins sa to enable SA account in Object Explorer. 4 Ways to Enable Mixed Mode Authentication for SQL Serverġ.
#Sql server sa account definition how to#
How to Change SQL Server Authentication Mode.More about this, please turn to see the articles: In Server Properties window, select Security, and choose SQL Server and Windows Authentication Mode. Right-click Server in Object Explorer, and click Properties. Start SQL Server Management Studio, choose Windows Authentication mode, and click Connect button. Login into SQL Server with Windows Authentication mode. Step 1: Change SQL Server Authentication Mode.ġ. Download now Connect with user groups and data community resources related to SQL Server, Azure Data, and diversity and inclusion. Then SA account will be enabled for SQL Server logon. SQL Server 2019 Express is a free edition of SQL Server, ideal for development and production for desktop, web, and small server applications. Way 1: Enable SQL Server SA Account by Changing Authentication Modeīy changing SQL Server Authentication mode from Windows Authentication mode to SQL Server and Windows Authentication mode (sometimes called Mixed Mode Authentication), and choose SA account as SQL Server logon account. Way 2: Enable SQL Server SQL Server SA Account with Script.Way 1: Enable SQL Server SA Account by Changing Authencation Mode.If we want to use SA account or connect SQL Server with Mixed Authentication mode, we have to enable SA account in SQL Server.
#Sql server sa account definition install#
SA account is disabled after we just install Microsoft SQL Server and choose Windows Authentication mode on computer. How to Enable SA Account in SQL Server 2000-2014