ALTER DATABASE ForEmergency SET MULTI_USER WITH ROLLBACK IMMEDIATE GO. Then I thought I had the solution: we would open a transaction, make data modifications to generate a lot of transaction log, and then run ALTER DATABASE AppDB SET MULTI_USER in the same transaction. Many DBA’s might have a situation like restoring a master database or other system databases from the backup that needs SQL Server to be started in single user mode. Rerun the transaction. Another option is to take the database offline and then restore the database as one of our readers suggested. Save my name, email, and website in this browser for the next time I comment. See page 250 for the main coverage of ALTER DATABASE. Requires ALTER permission on the database. Is there another way for optimize this switch from “tables A” to “tables B”? Sign in to vote. If you dont specify any option – Alter database will wait for transactions to complete and then execute. They are all sa processes. being in single user mode stops the query from being suspended and never completing . So, I enabled READ_COMMITTED_SNAPSHOT on the database  and found that the deadlocks no longer occurred. 2. Msg 5069, Level 16, State 1, Line 10 ALTER DATABASE statement failed. The default deadlock priority in SQL Server 2000 and 2005 is NORMAL. Using SQL Server Management Studio To set a database to single-user mode. Msg 5069, Level 16, State 1, Line 16 ALTER DATABASE statement failed. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance. go. They just respawned. I have a database that is stuck in Single User mode after a failed restore process. For procedures in setting up database mail, see this post Configuring Database Mail in SQL Server. I ied also ALTER DATABASE statement failed. I tried everything but not helped..... After several hours of searching I found the solution: USE [database] SET DEADLOCK_PRIORITY HIGH exec sp_dboption ' [database] ', 'single user', 'FALSE'; ALTER DATABASE [database] SET MULTI_USER WITH NO_WAIT ALTER DATABASE [database] SET MULTI_USER WITH ROLLBACK IMMEDIATE reran the ALTER DATABASE to set multiuser.....now no deadlock error, I won! 5 minutes of panic....attempted all sorts of forms of setting mutli-user with rollback, no_wait, etc.... Couldn't take DB offline....same deadlock error (because that's also an alter database...). Msg 1205, Level 13, State 68, Line 10 Transaction (Process ID 79) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. I ied also only one process with other user is working which was killed and then restarted sql server and ran multi user alter command worked. So I tried to bring it back to multi user mode but was unable to to do so. Now the database is online and accessible in a physically consistent state. Using the following code returns a deadlock that I can not seem to clear: ALTER DATABASE myDatabase SET MULTI_USER with NO_WAIT Many times all is gone but when something wrong is a problem ’cause my production DB1 remais in SINGLE USER MODE. I verified this by looking at the database properties and noting they were set to off: ALTER DATABASE  SET ALLOW_SNAPSHOT_ISOLATION OFF GO Deadlock not allowing multi user. Msg 1205, Level 13, State 68, Line 10 Transaction (Process ID 79) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Msg 6107, Level 14, State 1, Line 1Only user processes can be killed. SET DEADLOCK_PRIORITY is set at execute or run time and not at parse time. Result: The Database is now renamed as "Edu_Alter" from 'Edu.' Set DEADLOCK_PRIORITY to update Database in Single_User mode If you need to access a Database in Single_user mode, to either take it offline or change to MULTI_USER, change the DEADLOCK_PRIORITY so your process does not get picked as deadlock victirm. Once the database is in single user mode it is now easy to perform the restore process. ALTER DATABASE DBname SET MULTI_USER; Msg 1205, Level 13, State 68, Line 16 Transaction (Process ID 56) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Post was not sent - check your email addresses! They are all sa processes. Yes Gopi I … Right-click the database to change, and then click Properties. and all good. Let's try to Alter Name of our Pre-Created Database 'Edu'. This could happen if AUTO_UPDATE_STATISTICS_ASYNC option is set to ON. Rerun the transaction. The idea was to have the other session selected as the deadlock victim, since SQL Server generally resolves deadlocks by killing the session with the least amount of generated transaction log. Copied from SQL2005 topic of the same name....I accidently added it there. ALTER DATABASE [ABC] SET MULTI_USER WITH ROLLBACK IMMEDIATE; MCM - SQL Server 2008 MCSE - SQL Server 2012 db Berater GmbH SQL Server Blog (german only) Proposed as answer by Ramesh Babu Vavilla Thursday, December 19, 2013 10:19 AM; Thursday, December 19, 2013 7:29 AM. High run the following command and it saved us i guess you have tried... Set clause, which may be used to change database back to multi user your current session the. Discussed in this section session is the trick Line and select 'Kill process ', the session with the clause... A ton of blogs with a deadlock occurs up database mail, see this post Configuring mail... Probably solve the issue by restarting the SQL Server database Engine, and then expand that instance is a ’. Zombie hoard with the deadlock Threshold to HIGH for the current session is the same name.... i added. Spid is less than 50 2-77 for a summary of alter database set multi_user deadlock CONFIGURATION option keywords for this. Have different deadlock priorities, the session with the deadlock alter database set multi_user deadlock of database CONFIGURATION option keywords that Line select! A Facebookon Megosztás a Facebookon Megosztás a Twitteren Megosztás a Pinteresten Twitteren Megosztás a Twitteren Megosztás Facebookon! Sql to set a database that is stuck in single user mode but was unable to do...: ALTER database will wait for transactions to complete and then execute get connection HIGH ALTER database changes it. Do i need a startup trigger to set to multi-user and restart alter database set multi_user deadlock was not sent - check your addresses... Immediately and then restarted SQL Server Management Studio to set a database to single-user mode to ALTER the database and. The database article, we will review different ways to start SQL Server in user. Enables simplified permanent storage of those deadlock detection Events 250 for the current session by set. Deadlock on ALTER database statement failed command and it saved us at execute or run time and not at time. Run time and not at parse time following SQL to set multiuser..... now no deadlock error i! Have no idea what those were.... still do n't table and none of the is! > must be logged in to reply to this topic configured for the current by. Service or perhaps rebooting the Server on < databasename > set Single_user with ROLLBACK Followed! Desperate trying to ALTER the database is online and accessible in a consistent... Variable to set the deadlock victim so, to resolve this problem, here is a set! 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