We are in the process of developing a POC for migrating application to 64 bit, and from Windows 2003 server(32 bit) OS to Windows 2008 R2 Server 64 bit for workstation and Windows server 2012 Server 64 bit. We are using crystal report v 11.0.5 at present and as part of this migration we have identified Crystal report developer version for Visual Studio 2010 - CRVS2010 V13.0 as the right version to use in the new environment. We are using visual studio 2010 for development. After installing the new version and the 64 bit run time on both server and workstation machines and trying to generate the report, we get the below error. Mixed mode assembly is built against version 'v2.0.50727' of the runtime and cannot be loaded in the 4.0 runtime without additional configuration information. Tried the solutions suggested in this page : http://scn.sap.com/thread/3251872 In the above thread, the solution says we should not have runtime installed in the development environment. However, if I uninstall the runtime on the workstation machine, I get a different error. We are not able to resolve this issue. Any help on this is much appreciated. Best Regards Shwetha
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