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Editorial Team
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Asked: 2026-05-18T11:51:55+00:00

I can’t get VS2010 to build a WIX project for x64 – meaning I

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I can’t get VS2010 to build a WIX project for x64 – meaning I can add the platform, but it doesn’t build it.

Steps to reproduce:

  1. New Project > Windows Installer XML > Setup Project (Use default name, location, etc)
  2. Build > Configuration Manager > Active Solution Platform >
  3. New Platform: x64
  4. Copy settings from: x86
  5. Create new project platforms: Checked (I tried unchecked as well, no better)
  6. OK to close the New Solution Platform dialog
  7. Back in Configuration Manager, select x64 for the Platform
  8. Close the Configuration Manager
  9. Re-open the Configuration Manager

Results: Platform has reverted to x86.

Expected Results: Platform is still set to x64.

Am I missing something? I can’t be the only person running into this?

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1 Answer

  1. Editorial Team

    WiX definitely supports x64! I got the same issue and that seems to be somehow a crazy issue as I also got it working for another solution for x86 and x64. So I compared the two solution files and figured out what was going wrong with the one not working. 

    GlobalSection(ProjectConfigurationPlatforms) = postSolution
    {HERE-IS-STANDING-A-GUID}.Debug|x64.ActiveCfg = Release|x86
    {HERE-IS-STANDING-A-GUID}.Debug|x64.Build.0 = Release|x86
    {HERE-IS-STANDING-A-GUID}.Debug|x86.ActiveCfg = Debug|x86
    {HERE-IS-STANDING-A-GUID}.Debug|x86.Build.0 = Debug|x86
    {HERE-IS-STANDING-A-GUID}.Release|x64.ActiveCfg = Release|x86
    {HERE-IS-STANDING-A-GUID}.Release|x64.Build.0 = Release|x86
    {HERE-IS-STANDING-A-GUID}.Release|x86.ActiveCfg = Release|x86
    {HERE-IS-STANDING-A-GUID}.Release|x86.Build.0 = Release|x86
EndGlobalSection

    This is a generated nonworking one. To make it work, I replaced the first four strings behind the “=” and played a bit with doing an x86 and x64 build. That worked for me.

    Here is the same but working code:

    GlobalSection(ProjectConfigurationPlatforms) = postSolution
    {HERE-IS-STANDING-A-GUID}.Debug|x64.ActiveCfg = Debug|x64
    {HERE-IS-STANDING-A-GUID}.Debug|x64.Build.0 = Debug|x64
    {HERE-IS-STANDING-A-GUID}.Debug|x86.ActiveCfg = Debug|x86
    {HERE-IS-STANDING-A-GUID}.Debug|x86.Build.0 = Debug|x86
    {HERE-IS-STANDING-A-GUID}.Release|x64.ActiveCfg = Release|x64
    {HERE-IS-STANDING-A-GUID}.Release|x64.Build.0 = Release|x64
    {HERE-IS-STANDING-A-GUID}.Release|x86.ActiveCfg = Release|x86
    {HERE-IS-STANDING-A-GUID}.Release|x86.Build.0 = Release|x86
EndGlobalSection

    Hope that works for you as well

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