Cumulative update package 1 for SQL Server 2008 Service Pack 1 now available
Cumulative update package 1 for SQL Server 2008 Service Pack 1 KB Article
Cumulative Update 1 for SQL Server 2008 Service Pack 1 (SP1) contains only hotfixes that were released in Cumulative Update 4 for SQL Server 2008. These hotfixes are not included in SQL Server 2008 Service Pack 1. Cumulative Update 1 for SQL 2008 SP1 is only intended as a post-service pack rollup for Cumulative Update 4 for the release version of SQL Server 2008 customers who plan to upgrade to SQL Server 2008 SP1 and still keep the hotfixes from Cumulative Update 4 for the release version of SQL Server 2008. No new hotfixes have been included in this cumulative update other than the hotfixes that were already released in Cumulative Update 4