You have Microsoft Visual Studio 2010 Ultimate or Professional installed on a server. When you try to change the Run64BitRuntime property of an Integration Services project by using the SQL Server Data Tools (SSDT), you find the property is disabled and cannot be changed.
Note To locate the Run64BitRuntime property, see the Debugging page under the properties of the project.
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
See the terminology Microsoft uses to describe software updates.