If you use SAP Solution Manager 7.1 and installed clients were the sap Jco 3.0.x 32-bit version is already available, and you intend to use them together with the locally installed server LOCAL the latter must be provided with the 64-bit version of the sapjco3.jar file as well.
For licensing reasons, files of SAP® JCo may not be automatically installed during installation.
Procedure
If you have correctly provided SAP Java Connector SAP JCo 3.0.x but have installed older runtime libraries of Visual Studio 2005 C/C++, you may have to update the Microsoft Active Template Library (ATL). Please consider the SAP notes 1077727 and 1375494 on the SAP Service Marketplace.