Unable to compile vdproj with devenv - 'targeting 'x64' is not compatible with the project's target platform 'x86''

user_13350 0
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I've been searching around the web for the past hours, finding a lot of information related to my problem - but none actually fixing them.

My machine is 64 bit with a 32 bit Visual Studio 10 installed. Solution uses .Net 4. Solution includes 64 bits installation of Crystal Reports. Solution also includes log4net.

Compilation of project in VS2010 is OK for both Debug and Release, any cpu.

I have added a Web Setup Project that I want to build. However, no matter the configuration I get the following errors when compiling (both within VS UI and command line using devenv.exe): 

ERROR: File 'CrystalDecisions.ReportAppServer.Prompting.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.Prompting.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.ObjectFactory.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.ObjectFactory.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.XmlSerialize.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.XmlSerialize.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.CommonObjectModel.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.CommonObjectModel.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.CommonControls.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.CommonControls.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.ReportDefModel.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.ReportDefModel.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'log4net.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'log4net.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.Controllers.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.Controllers.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.DataDefModel.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.DataDefModel.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.CubeDefModel.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.CubeDefModel.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.ClientDoc.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.ClientDoc.dll' targeting 'x64' is not compatible with the project's target platform 'x86'
ERROR: File 'CrystalDecisions.ReportAppServer.CommLayer.dll' targeting 'AMD64' is not compatible with the project's target platform 'x86'
WARNING: File 'CrystalDecisions.ReportAppServer.CommLayer.dll' targeting 'x64' is not compatible with the project's target platform 'x86'

I have tried to explicitly set the configuration for the projects to both x86 and x64, without any change.

Can someone guide me on the right way?

Edit - added screenshot showing that I am unable to choose platform for the setup project.

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vdproj visual-studio-2010 build
9 Answers
  1. Go to Visual Studio "View" menu and click Properties Windows:

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  1. Select Target Framework x64 bit:

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user_79292000

This is because of the TragetPlatform.

select the setup project > properties and change the TragetPlatform to x64.

enter image description here

user_145529510

This is for Visual Studio 2010

Go to your Project > Right Click and select Properties.

Under Compile, go to Advanced Compile Options

Locate Target CPU, then either

select x86 for 32bit systems, x64 for 64bit systems or Any CPU

user_18017630

My .net 2010 Projects all include an x86 and an x64 Setup Project. The TargetPlatform for my Projects is Any CPU and each Setup Project has the correct - CPU Specific - TargetPlatform. All this is part of a "baseline" .Net Project that I "clone" (copy then edit several files with NOTEPAD) into a new Project when I start development. Has worked great for years.

I encountered this error in a new project and found no fix until I did the following:

- Open Project Properties >> Compile >> Advanced and set Target to x86
- "Build" x86 Setup Project
    - Build Success
- Changed Project Properties >> Compile >> Advanced Target to x64
- "Build" x64 Setup Project
    - Build Success
- Changed Project Properties >> Compile >> Advanced Target to Any CPU
- Build x86 Setup Project
    - Build Success
- Build x64 Setup Project
    - Build Success

Changing the Project Properties >> Compile >> Advanced to something other than Any CPU and back again seems to have turned the trick........

user_98768180
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