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Single User mode in SQL Server 2000

Posted on 2005-03-18
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Last Modified: 2012-06-27
Hi,

I need to restore the MASTER database from the current backup.
Here is what I did.

from the command prompt

net stop sqlserveragent
net stop mssqlserver

C:\Program Files\Microsoft SQL Server\MSSQL\Binn>sqlservr -c -m
now the SQL Server is in single user mode.
At this point I dont have any user connections to the database.
When I try to access the MASTER database from EM it says "Login failed.Only one administrator is allowed in single user mode "...

I cant figure out who has logged in???
Before I did all this stuff I changed the STARTUP parameters from the EM connection and included -m ...

now even after restarting the service SQL Server still boots in SINGLE USER MODE.
There is no way I can access it now.

help me...

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Question by:pai_prasad
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11 Comments
 
LVL 27

Expert Comment

by:ptjcb
ID: 13578040
This article might help:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/adminsql/ad_bkprst_4g4w.asp

Are you logged in as sa? Try logging in as a sa and sa password. You should be good to go.
0
 
LVL 10

Author Comment

by:pai_prasad
ID: 13578158
yep i am in as a "sa"...
i have read that article earlier..
i need to know how to boot the sql server in normal mode...
0
 
LVL 27

Expert Comment

by:ptjcb
ID: 13578295
You are booting SQL Server in single user mode - you are the only user - you are logging in as sa and you cannot access the server?  Is the SQL Server agent stopped?

Are you still using the -m parameter? From BOL:
You can override the default startup options temporarily and start an instance of SQL Server by using the following additional startup options.



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LVL 10

Author Comment

by:pai_prasad
ID: 13578518
i am not using the -m parameter..
but somehow when i restart the service its in single user mode...
as i said i cant login using sa....
i try 2 restart the service from dos prompt...
0
 
LVL 43

Expert Comment

by:Eugene Z
ID: 13578752
check mssqlserver service - see if there is start parameter (General tab) - if yes - remove
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LVL 10

Author Comment

by:pai_prasad
ID: 13579104
there isnt any startup parameter in the service...
i think when i added -m from the connection of EM it did it..
i have deleted that connection from EM..but still that doesnt help...
0
 
LVL 43

Expert Comment

by:Eugene Z
ID: 13579177
can you restart mssqlserver service  usual way?
0
 
LVL 10

Author Comment

by:pai_prasad
ID: 13579318
yes i can very well restart my mssqlserver service...
but every time it restarts in Single User mode...
i got lucky once..wat i did is stop the service...
start it again..
while its doing tat hit
isql -Usa -Ppassword thru command prompt...
i was able to login ..
wat parameter shud i change so tat the next time the service starts in normal manner...
0
 
LVL 10

Author Comment

by:pai_prasad
ID: 13579629
well i answered my question myself...
its the SQL Agent which logs in and hence when i try to login with sa it doesnt allow..
i stopped the SQL Agent service..
restarted the mssqlservice...
took out the -m parameter from the startup setting of the EM connection and EUREKA !!!!!!!!!!!!
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ID: 13616922
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