FIX: The event information that is generated by a child package does not have a "User:" prefix in Integration Services in SQL Server 2005 Service Pack 2
Source: Knowledge Base
Product: Microsoft SQL Server 2005 Enterprise Edition, SQL Server 2005 Standard Edition & SQL Server 2005 Enterprise X64 Edition
Notification Contents: New and Major Modifications
FIX: The event information that is generated by a child package does not have a "User:" prefix in Integration Services in SQL Server 2005 Service Pack 2
http://support.microsoft.com/kb/940370/en-US