cannot reassign dbo to another user

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cannot reassign dbo to another user

fred2002

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Points: 2943
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February 10, 2009 at 3:27 am

#130798

I restored a DB backup from a supplier.
And there is a login assigned to the user dbo.
I would like to drop this relationship between dbo and the login name eu\genetica
The problem is i cant delete the dbo schema, the dbo user and the user eu\genetica is not existent on my server
What can i do?

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Lowell SSC Guru Points: 323504 More actions · Answer 1

because the backup came from your supplier, and not from your server, the user "eu\genetica" is "orphaned...that is, every server in the work may have a user named "Bob", bu tbehind the scenes in syslogins, there is a unique SID tied to that login.

the user "eu\genetica" was probably from your suppliers domain, and you would not have the same user. You can drop that user, and add a new user with the right of dbowner, and use that o access the tables.

if you need to, you can consider using sp_changeobjectowner if you want to change the owner from dbo to some other login.

fred2002 (2/10/2009)
I restored a DB backup from a supplier.
And there is a login assigned to the user dbo.
I would like to drop this relationship between dbo and the login name eu\genetica
The problem is i cant delete the dbo schema, the dbo user and the user eu\genetica is not existent on my server
What can i do?

Lowell

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SQLPhil SSCarpal Tunnel Points: 4204 More actions · Answer 2

You can reassign the dbo user to another login or your choice using the sp_changedbowner stored procedure. This should then remove the "eu\genetica" user from the database. Make sure that the login you're assigning the dbo role to is not an existing user on the database or you'll get an exception.

fred2002 SSCrazy Points: 2943 More actions · Answer 3

there is something i dont understand.

If i reassign the dbo role to another user, it should be a Database user.

EdVassie SSC Guru Points: 60445 More actions · Answer 4

The sp_changeobjectowner procedure has a gotcha. You cannot reasign ownership to an existing database user.

The solution is simple. Drop the user you want to be the new owner from the database. Then run sp_changeobjectowner, which will add the user back into the database and assign database ownership to it.

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fred2002 SSCrazy Points: 2943 More actions · Answer 5

fred2002

SSCrazy

Points: 2943

February 11, 2009 at 3:03 am

#941947

ok i got it

Thanks