The subject say it all, as of today the mainstream support for SQL Server 2000 (SP4) and SQL Server 2005 (SP1) will be ended. That means for SQL Server 2005 service pack 1 there will not be any support and that can be obtained with a Custom Support agreement...
SQLServer-QA.net - Knowledge Sharing Network (SSQA.net)
Tue, Apr 8 2008
Filed under: Filed under: sql server, sp2, support, lifecycle, 2000, 2005, service pack, css, case, mainstream, extended