In SQL Server Configuration Manager, in the left pane, select SQL Server Services. 1. Hi, Suppose you had a database stuck in single user mode that is in a busy OLTP environment. We can also start SQL Server single user mode using the Command Prompt. We were able to get it out of single user mode (finally) but it kept going right back in. There's nothing wrong with the connection, and nothing wrong with the login. So if you are reading this blog by getting this as a search result, you might be in a tough situation. I'm using SQL Server 2005. :-/ – Joshua F. Rountree Sep 6 '16 at 13:04 To start SQL Server in multi-user mode, remove the added -m start parameter from properties of the SQL Server service and restart the SQL Server service. I logged in through DAC. kill go ALTER DATABASE [msdb] SET MULTI_USER go --if you see multiple sessions for the same login,then if there is no impact then disable Sometimes, it is not possible to change to emergency mode to single user mode because there are several active connections. In the right-pane, right-click the instance of SQL Server, and then click Properties. For a SQL 2016 instance, a DB creation date of 2003 looks odd. I logged on as sa, but I could not bring the database to muti-user mode. Finally I had the drop the database and re-create it from scratch. For user databases, you have to make sure there are no active connections to the database you're restoring. 3. First of all this is not normal to start SQL Server in single user mode. The system stored procedure sp_who can be used to detect the active connection in SQL Server: (See the step image) To kill sessions, you can use the kill command. These next few steps change SQL Server back to multi-user mode. Try stopping SQL server agent and verify no other sessions connects to it-if any then see what it is doing & nothing is critical then . The database is in single-user mode, and a user is currently connected to … 2. In some situations, like restoring system database or during disaster recovery you may need to start SQL in single user mode. On the Startup Parameters tab, in the Existing parameters box, select -m and then click Remove. If you get to the point of seeing the single user mode error, you have to figure out what else is connecting to the instance, and prevent it for at least as long as it takes for you to establish … Changes to the state or options of database 'MSDB' cannot be made at this time. The connection that originally put the database into single user mode is … When this happens I have to manually login as sysadmin, find out the spid (from sysprocesses) that has the single user connection to the database, kill it, and then try setting it to multi-user. – Vaccano Feb 2 '12 at 21:30 Given that: 1. Even after running EVERYTHING it still says it cannot make this work because the database is running in single-user mode. This T-SQL command will kill the session ID 59: KILL 59; GO Starting SQL Server single user mode using Command Prompt. Still cannot make this work. In order to preserve the system information, maybe they tried to replace the physical files with those from a SQL 2000 server and hence, the database engine got confused (it tried to put the DB in single-user for recovery, but failed somewhere in the process). You would only need to put the SQL Server instances in single user mode if you were restoring the master database. 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