The MSDN Windows Installer documentation should be sufficient to explain
this limitation. I'd start here:
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/windows_installer_on_64_bit_operating_systems.asp
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/msi/setup/using_64-bit_windows_installer_packages.asp
I think the key is that you can't have components that install to the 64-bit
locations unless the package is specifically marked as a 64-bit package.
Once the package is marked that way, you won't be able to run it on a 32-bit
system.
Dana
On 10/2/07, Adrian Gantoi <[EMAIL PROTECTED]> wrote:
>
> What you can do with MSI :
> - create an installer which will install Win32 components on Win32
> platforms
> - create an installer which will install x64 and/or Win32 components on
> x64 platforms
> You can't however create a single MSI for both Win32 and x64 platforms.
> Because a MSI must be specified as "for Win32" or "for x64".
> The Win32 MSI will be installed on a x64 platform (but can install only
> Win32 components).
> The x64 MSI will NOT run on Win32 platforms.
> You will have to create separate Win32 and x64 MSIs (at best, the x64 MSI
> can install both Win32 and x64 components).
> Nothing to do with WiX - these are basic limitations of Windows Installer.
>
> ----- Original Message ----
> From: OneReallyCoolApplication <[EMAIL PROTECTED]>
> To: wix-users@lists.sourceforge.net
> Sent: Monday, October 1, 2007 7:08:06 PM
> Subject: [WiX-users] Explanation for why you can't have both a 32-bit and
> 64-bit installer
>
> I am supposed to create a MSI package using WiX that can detect whether
> the
> computer it's on has 32-bit or 64-bit architecture, and install different
> files for each. I have browsed Nabble and found replies that say making a
> single installer that does this is impossible, such as these:
>
> http://www.nabble.com/32-and-64-bit-installer-in-one-tf2635209.html
> http://www.nabble.com/64-bit-newbie-question-tf3979370.html
>
> However my boss is not satisfied with this explanation and wants a
> detailed
> technical explanation of why WiX or Windows Installer cannot do this.
> Could
> any of you give this explanation or perhaps suggest an alternative that I
> could do? Any links to outside sources would be great, since I suspect my
> boss doesn't trust Nabble much. Thanks in advance for your help.
> --
> View this message in context:
> http://www.nabble.com/Explanation-for-why-you-can%27t-have-both-a-32-bit-and-64-bit-installer-tf4549274.html#a12982169
> Sent from the wix-users mailing list archive at Nabble.com.
>
>
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