You have installed the SQL Server Integration Services (SSIS) feature on a server running Windows
Server 2008 R2 SP1.
Which of the following features must you install if you want to ensure that you can run packages in
32-bit mode?
A.
Client Tools SDK
B.
Data Quality Client
C.
SQL Server Data Tools
D.
Client Tools Backwards Compatibility
https://msdn.microsoft.com/en-us/library/ms143731.aspx
C
if you wanna run packages in 32-bit mode you have to install: SQL Server Data Tools