backup/restore from SQL 2000 to SQL 2005: diagram ownership

> This produces an error: 15151
Can you show us the error message and not only the error number?
Tibor Karaszi, SQL Server MVP
http://www.karaszi.com/sqlserver/default.asp
http://sqlblog.com/blogs/tibor_karaszi
"david" <david@.discussions.microsoft.com> wrote in message
news:5494E0D2-1097-476A-8C00-45FCE60DA67A@.microsoft.com...
> I have trouble with it. I have tried several ways and talked to some people
> in the forum, but it is not working. The following is waht I did.
> (1) Backup: use Enterprise Manager with COMPLETE backup setup, owners: dbo
> and machine name\my login name.
> (2) Copy backup file to another machine with SQL Server 2005.
> (3) Start SQL Server Management Studio of SQL Server 2005.
> (4) Use Restore to restore the backup to a database.
> (5) Tables, Viewers, and SPs are OK. But Database Diagrams need to further
> work.
> the error massage. I can not either display the diagram or create new
> diagram on the database. The error message:
> "Database diagram support objects cannot be installed because this database
> does not have valid owner.
> To continue, first use the Files page of the Database Properties dialog box
> ot the Alter Authorization statement
> to set the database owner to a valid login, then add the datatbase diagram
> support objects."
> I do not know the detail steps for doing it. In the MSDN, it suggests that
> For compatiable, run
> exec sp_dbcmptlevel 'database_name', '90';
> It is OK for exec.
> For alter authorization, run
> ALTER AUTHORIZATION ON DATABASE::databasename to valid_login
> This produces an error: 15151
> Are there any tricks in backup and restore process?
> Thank you for any help.
> David
>
>
> Should 'valid_login' be a user name?
No, it should be a login name. If you don't know the difference between a login and a user, I
strongly suggest you read up on the subject. Here's a good start:
ms-help://MS.SQLCC.v9/MS.SQLSVR.v9.en/udb9/html/5d43fefc-5aa4-43d7-aedb-7808659449c5.htm
Tibor Karaszi, SQL Server MVP
http://www.karaszi.com/sqlserver/default.asp
http://sqlblog.com/blogs/tibor_karaszi
"david" <david@.discussions.microsoft.com> wrote in message
news:6FFF5FBA-3E01-46AC-982C-B60CE88DD66F@.microsoft.com...[vbcol=seagreen]
> Can not find the principal 'valid_login', because it does not exist.
> Should 'valid_login' be a user name?
> How to create a correct user name?
> I created one, and use the username instead of 'valid_login' and got same
> error.
> David
> "Tibor Karaszi" wrote:
|||No, under the server node (the root node), in the security folder.
Tibor Karaszi, SQL Server MVP
http://www.karaszi.com/sqlserver/default.asp
http://sqlblog.com/blogs/tibor_karaszi
"david" <david@.discussions.microsoft.com> wrote in message
news:65951F87-DC9D-4CC9-8819-896924752E32@.microsoft.com...[vbcol=seagreen]
> Is a lohin name displayed under security under databases tree node?
> David
> "Tibor Karaszi" wrote: