<This is reposted from http://blogs.msdn.com/b/sql_server_team/archive/2015/05/27/upcoming-end-of-support-for-sql-server-2005.aspx>
Please note that SQL Server 2005 will be out of extended support on Apr 12, 2016. If you are still running SQL Server 2005 after April 12, 2016, you will no longer receive security updates. Please see http://www.microsoft.com/en-us/server-cloud/products/sql-server-2005/default.aspx for upgrade options.
More information about SQL Server 2005 support policy is available at https://support.microsoft.com/en-us/lifecycle/search/default.aspx?alpha=sql%20server%202005&Filter=FilterNO.
Product | Version | SP | Mainstream Support End | Extended Support End | Options / Notes |
SQL Server | 2005 | SP4 | 04/12/2011 | 04/12/2016 | Technical support continues ð Continue with self-help ð Upgrade to the latest ð Extended hotfix support |