http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspxEdit: I have confirmed that this is still valid for the RTM version of SQL Server 2012. If you recall one of my previous blog posts, titled Think Your Windows Administrators Don’t Have Access to SQL Server 2008 by Default? Think Again I exploited theenCommunityServer 2.1 SP2 (Build: 61129.1)http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#40998Thu, 12 Jan 2012 23:53:24 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:40998Robert L Davis<p>Stay away from my servers! ;)</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#40999Fri, 13 Jan 2012 00:19:27 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:40999Paul Timmerman<p>What Robert said! Excellent post!</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#41001Fri, 13 Jan 2012 03:32:03 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:41001Amit Banerjee<p>Well written especially the advice to the kids! :) And +1 to what Robert said!!</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#41002Fri, 13 Jan 2012 04:46:21 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:41002Greg Linwood<p>nice article, good point about sysadmins..</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#41003Fri, 13 Jan 2012 04:57:36 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:41003Meher<p>Excellent post Argenis. </p> <p>Thanks</p> <p>Meher</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#41014Fri, 13 Jan 2012 07:16:47 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:41014Dale Hirt<p>It's interesting that LocalSystem still has privileges as well. &nbsp;Another excellent post.</p>http://sqlblog.com/blogs/argenis_fernandez/archive/2012/01/12/leveraging-service-sids-to-logon-to-sql-server-2012-instances-with-sysadmin-privileges.aspx#41015Fri, 13 Jan 2012 08:46:52 GMT21093a07-8b3d-42db-8cbf-3350fcbf5496:41015spe109<p>A very good and interesting article. Thanks Paul.</p>