{"id":23320,"date":"2023-03-15T16:47:30","date_gmt":"2023-03-15T15:47:30","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/?p=23320"},"modified":"2023-09-14T09:21:55","modified_gmt":"2023-09-14T07:21:55","slug":"lost-access-to-sql-server-now-what","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/lost-access-to-sql-server-now-what\/","title":{"rendered":"Lost access to SQL Server. Now what ?"},"content":{"rendered":"\n

In this blog we will explain what to do to regain the access to your SQL Server instance. Here is our scenario :
– You have by accident removed all logins in SQL Server instance
– Your sa<\/strong> account by security and best practice is disabled
– So no possibility to login with a sqlcmd<\/strong> or your SSMS<\/strong> (SQL Server Management Studio) tools<\/p>\n\n\n\n

<\/p>\n\n\n\n

First thing first, take a deep breath and be calm.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

Then here are the steps to regain your access to the SQL Server instance<\/p>\n\n\n\n

1- Connect to your server where the SQL Server instance is installed (do a RDP connection)

2- Make sure your are administrator on this server. This is really important

3- Stop the SQL Server instance by using the SQL Server Configuration Manager.

4- Run powershell as administrator

5- Navigate to the folder where the SQL Server executable is located. The default location is \"C:\\Program Files\\Microsoft SQL Server\\MSSQL15.MSSQLSERVER\\MSSQL\\Binn\"<\/code> for SQL Server 2019

6- Type the following command and press Enter: (This command starts the SQL Server instance in single-user mode)
sqlservr.exe -m<\/code>

7- Run another Powershell as administrator

8- Type the following command and press Enter: (This command will let you to connect to the instance)
sqlcmd -S localhost -E<\/code>

9- Now all you need to do is to create a login with the sysadmin role
CREATE LOGIN [LIFESAVER] WITH PASSWORD = 'Pa$$word123456'
GO
ALTER SERVER ROLE [sysadmin] ADD MEMBER [LIFESAVER]
GO<\/code>
<\/p>\n\n\n\n

Here we go, Now you can restart your instance and login with your login freshly created and then recreate your removed logins again.

enjoy \ud83d\ude00
<\/p>\n\n\n\n

<\/p>\n\n\n\n


<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

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