I installed Windows Server 2008 and SQL Server 2008 R2, after joining to domain I changed computer name and mistakenly I deleted the administrators group from SQL Server login users and now I am not able to login.
Any suggestion?
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I installed Windows Server 2008 and SQL Server 2008 R2, after joining to domain I changed computer name and mistakenly I deleted the administrators group from SQL Server login users and now I am not able to login.
Any suggestion?
Follow the steps in this article: http://v-consult.be/2011/05/26/recover-sa-password-microsoft-sql-server-2008-r2/
Basically you have to modify the SQL Server Service settings so that it starts in admin mode. This will only allow one connection to it. Once you start it up you can create a new sysadmin user that you can use from then on.
Also I do know that you need to run certain scripts on a SQL Server if you change the hostname of the server. You should find them if you google them.