Sql server sa account locked out 2008 windows#

m'Microsoft SQL Server Management Studio - Query' When you plan to connect to the instance with sqlcmd and you want to prevent other applications from taking the only available connection. Limits connections to a single connection that must identify itself as the sqlcmd client program When there are no other users attempting to connect to the instance or you are not sure of the application name you are using to connect to the instance. Limits connections to a single connection The following table summarizes the different ways to start your instance in single-user mode in the command line. Client applications specify the application name through the connection string settings, so it can easily be spoofed with a false name. To connect through the Query Editor in Management Studio, use -m'Microsoft SQL Server Management Studio - Query'.Дo not use -m with an application name as a security feature. For example, starting SQL Server with -mSQLCMD limits connections to a single connection that identifies itself as the sqlcmd client program. In order to prevent this from happening, you can use the -m option followed by an application name to limit connections to a single connection from the specified application. It's also possible for an unknown client application to take the only available connection before you are able to log in.

Otherwise, SQL Server Agent might connect first, taking the only available connection to the server and blocking you from logging in. When you start the instance in single-user mode, first stop the SQL Server Agent service. Any member of the computer's local Administrators group can then connect to the instance of SQL Server as a member of the sysadmin fixed server role. You can start an instance of SQL Server in single-user mode with either the -m or -f options from the command line. Detailed steps for this solution are provided in the step-by-step-instructions section. From here, you can connect to your instance of SQL Server and add your login to the sysadmin server role. This mode prevents other connections from occurring while you try to regain access. In order to resolve your access issue, we recommend that you start the instance of SQL Server in single-user mode. The sa account is disabled or no one knows the password. The logins that are members of the sysadmin fixed server role are for individuals who have left the company or who are not available.

Sql server sa account locked out 2008 windows#

A system administrator can lose access to an instance of SQL Server due to one of the following reasons:ДЄll logins that are members of the sysadmin fixed server role have been removed by mistake.ДЄll Windows Groups that are members of the sysadmin fixed server role have been removed by mistake. This article describes how you can regain access to the SQL Server Database Engine as a system administrator if you've been locked out. Applies to: SQL Server (all supported versions)