
Installing Run-time Support for DTS Packages on a 64-bit Computer
There is no 64-bit run-time support for DTS packages. On a 64-bit computer, DTS packages, and Integration Services packages that run DTS packages, can run only in 32-bit mode. To run packages in 32-bit mode outside BI Development Studio on a 64-bit computer, you have to install the 32-bit version of the Integration Services runtime and command prompt utilities.

To install the 32-bit version of the Integration Services runtime and command prompt utilities on a 64-bit x86 computer
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During Setup, select Business Intelligence Development Studio or Management Tools - Complete.
Selecting either of these options installs the 32-bit version of of the Integration Services runtime, the dtexec utility (dtexec.exe), and other Integration Services tools.