msdb database not REALLY in single user mode?

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msdb database not REALLY in single user mode?

Erin Ramsay

SSCrazy Eights

Points: 9728
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May 16, 2013 at 10:13 am

#98817

I've run the following commands:
Sp_configure 'allow updates', 1
Reconfigure with override
GO
sp_resetstatus 'msdb'
GO
update master..sysdatabases set status = status | -32768
where name = 'msdb'
Sp_configure 'allow updates', 0
Reconfigure with override
DBCC checkdb(msdb)
ALTER DATABASE msdb SET SINGLE_USER
When I look at the properties for the database I see that it IS in single user mode and it's in standby/emergency mode but when I run the following command
DBCC CheckDB (msdb, REPAIR_ALLOW_DATA_LOSS)
I get the following error:
Msg 7919, Level 16, State 2, Line 2
Repair statement not processed. Database needs to be in single user mode.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
Am I missing something? Is it not REALLY in single user mode?

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Lowell SSC Guru Points: 323504 More actions · Answer 1

couldn't ALTER DATABASE msdb SET SINGLE_USER fail if other processes are in it?

does SQL2000 have WITH ROLLBACK IMMEDIATE?

ALTER DATABASE msdb SET SINGLE_USER WITH ROLLBACK IMMEDIATE

Lowell

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Erin Ramsay SSCrazy Eights Points: 9728 More actions · Answer 2

Both

ALTER DATABASE msdb SET SINGLE_USER

and

ALTER DATABASE msdb SET SINGLE_USER WITH ROLLBACK IMMEDIATE

return

Command(s) completed successfully.

but any attempt to run the dbcc command still gives me that same error. The disparity that I'm running into is the database property which states that msdb is in single user mode and yet still getting an error that it is not.

Gail Shaw SSC Guru Points: 1004504 More actions · Answer 3

Edit: SQL 2000....

Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

We walk in the dark places no others will enter
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Erin Ramsay SSCrazy Eights Points: 9728 More actions · Answer 4

Yeah, ok, I'm an idiot without my morning coffee.. forgot to restart the server in single user mode for the system tables.. I'll give that a go and let you folks know if there are additional issues.