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Problem with Database diagram

Dear all,

I install SQL Server 2008 R2 on Win7 ,and after I created database and tables,When I click the New Database Diagram this message appeared :

Database diagram support objects cannot be installed because this database does not have a valid owner. To continue, first use the Files page of the Database Properties dialog box or the ALTER AUTHORIZATION statement to set the database owner to a valid login, then add the database diagram support objects.

I checked the owner and its valid ...any idea ??
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asked Aug 14, 2012 at 05:29 AM in Default

MuhSQL gravatar image

MuhSQL
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Is the user you're trying to set as the owner a sysadmin? If not you may have to recreate the login mapping to the database in question.

Aug 14, 2012 at 02:00 PM swirl80
I login as SysAdmin
Aug 15, 2012 at 05:06 AM MuhSQL
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2 answers: sort voted first

It might be worth just running the command to see if it fixes any broken 'links'

alter authorization on database::YourDatabaseName to YourValidUser
Also, are you creating the database from new, or have you restored/attached a previous one? If so you may need to check the compatibility level.
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answered Aug 14, 2012 at 07:33 AM

Kev Riley gravatar image

Kev Riley ♦♦
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Thanks Kev, I created the database from new ,but If I attach the database (DB created with sql server 2005) the Diagram will work but with new database doesn't work
Aug 14, 2012 at 08:48 AM MuhSQL
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I solved the problem by change the login from win auth to SQL server auth [sa] and use the command :

alter authorization on database::TEST to [sa]

But with Win auth doesn't work If I use win login and the command is :- alter authorization on database::TEST to [HPDV6-HP\HP DV6]
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answered Aug 15, 2012 at 09:16 AM

MuhSQL gravatar image

MuhSQL
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Aug 15, 2012 at 09:57 AM Kev Riley ♦♦
if IIRC, for the very first use of Database Diagram Designer, it must be set up by a member of the db_owner role, otherwise it would not work.
Aug 15, 2012 at 10:25 AM Usman Butt
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asked: Aug 14, 2012 at 05:29 AM

Seen: 1271 times

Last Updated: Aug 15, 2012 at 10:25 AM