SQL Server 2008 R2 Service Pack 2 (SP2) has been released. Both the Service Pack and Feature Pack updates are available for download on the Microsoft Download Center
Download SQL Server 2008 R2 SP2
Download SQL Server 2008 R2 SP2 Express
Download SQL Server 2008 R2 SP2 Feature Pack
Here is what has been fixed with this service pack:
_FIX: Lots of messages that have message ID 19030 and message ID 19031 are logged in SQL Server 2005, SQL Server 2008 or SQL Server 2008 R2 Errorlog file when you use SQL Server Profile in SQL Server 2005, in SQL Server 2008 or in SQL Server 2008 R2
Service Pack 2 enhancements to the “Operation has been cancelled” error message text in Analysis Services
FIX: Deadlock might occur in sys.dm_database_encryption_keys DMV in SQL Server 2008 R2 when you run log shipping from many databases to one secondary server
FIX: You may receive incorrect results when you run a complex query that contains aggregates functions, join functions, and distinct functions in subqueries in a SQL Server 2008 or SQL Server 2008 R2 environment
FIX: Slipstream installation of a SQL Server 2008 or SQL Server 2008 R2 service pack fails when you add new features to the SQL instance if database engine is installed
FIX: You cannot connect to SQL Server by using JDBC Driver for SQL Server after you upgrade to JRE 6 update 29 or a later version
FIX: Backup operation fails in a SQL Server 2008, in a SQL Server 2008 R2 or in a SQL Server 2012 database after you enable change tracking
FIX: Latch time-out error when you have heap tables and when data compression is enabled in SQL Server 2008 R2 or in SQL Server 2012