Critical Update for SQL Server 2005 Service Pack 2
March 7, 2007[From Microsoft Corp.]
The initial release of SQL Server 2005 Service Pack 2 (SP2) contained an issue that caused maintenance plan cleanup tasks to remove data before the specified cleanup interval. Install this update to correct the interpretation of existing cleanup task intervals, and to avoid this issue in new cleanup tasks. After you install this item, you may have to restart your computer.