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vs 2005 from 32bit to 64bit
I have a few projects that were created with vs2005 and have package and deployed to several machines, 32 bit operating system. The run great, I am now trying to deploy them to a 64 bit operating system. The do not work and I get errors. I was looking and found where I have to specify that I am running a 64 in the package builder. I have done that and now I'm getting warnings of "Possible problem detected while building assembly 'envoyrpts': Referenced assembly 'mscorlib.dll' targets a different processor" and "Possible problem detected while building assembly 'envoyrpts': Referenced assembly 'System.Data.dll' targets a different processor" and "Possible problem detected while building assembly 'envoyrpts': Referenced assembly 'System.Web.dll' targets a different processor". Can anyone help me out on these error in order to correct them? Also why would it make a difference when they ran fine on 32bit and now will not run on 64bit. Thanks for the help in advance.
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by: grayePosted on 2009-11-16 at 09:16:41ID: 25831905
Well, let's start at the beginning.... yes, you can target a 64-bit build on a 32-bit development PC, but that's not really recommended. The best bet is to use the default settings of "Any CPU"... that will allow the build (and installer) do the "right thing" depending on the "bit-ness" of the PC where the install is taking place.
The answer the question on "will my application run as a 64-bit app" depends on a lot of things... foremost is the reliance on any 32-bit only DLLs. These typically will be either 3rd-party DLLs or some specific DLLs from Microsoft where they delibrately chose not to support 64-bit (like the Jet drivers for MSAccess).