http://developers.de/blogs/damir_dobric/archive/2008/01/20/sql-server-database-diagram-creation-error.aspxWhen you try to create DB Diagram you may get following error: Database diagram support objects cannot be installed because this database does not have a valid owner.&#160; To continue, first use the Files page of the Database Properties dialog box orenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2008/01/20/sql-server-database-diagram-creation-error.aspx#243960Thu, 15 Dec 2011 06:50:42 GMT7e491611-45ad-4dae-a68f-c4cb64439510:243960hossein<p>thank you very much</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=243960" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2008/01/20/sql-server-database-diagram-creation-error.aspx#28440Fri, 03 Dec 2010 15:52:31 GMT7e491611-45ad-4dae-a68f-c4cb64439510:28440Vivek<p>Thank You.....</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=28440" width="1" height="1">