Its the Feature Component mapping. Reduce the number of Components to
succeed. You can also try to distrbute the Components across more Features
but that only works to a certain degree.


On Mon, Mar 18, 2013 at 3:42 PM, Chinnappa, Sarvesh [Audatex - Americas] <
sarvesh.chinna...@audatex.com> wrote:

> Hi,
>
> I am facing an unusual problem with my installer. I will try explain in
> detail, may be there is a workaround for this issue.
>
>   1.  The installer is rather large >5GB with a lot of files, mostly data
> files used by the application (a separate installer)
>   2.  I am using heat to harvest the files with this command
> "$(WIX)bin\heat.exe" dir "$(DataFiles)" -cg DataFiles -gg -scom -sreg
> -sfrag -srd -dr INSTALLLOCATION -var env.DataFiles -out
> "$(ProjectDir)Fragments\FilesFragment.wxs"
>   3.  When installing everything is copied and all files are in the right
> place.
>
> Issue: After copying the files when the MSI registers the product if fails
> on some XP machines. Specifically it fails to write this registry key
> HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products\GUID\Features\ProductFeature
> because the data is greater than 1MB. The error reported during this is
> unfortunately wrong, registry is full. So the MSI tries to increase the
> registry size and tries to rewrite the value which fails and then it gives
> up. Researching on this I found that older registry formats didn't allow
> for values to be greater than 1MB.
>
> The questions are
>
>   1.  I am guessing this is some sort of hash of the filenames. So how
> exactly is this generated? Anyway to control it?
>   2.  Is there anyway to reduce the size of the entry so the install would
> pass?
>   3.  Can I specify just the directory for the component and not include
> all the files? Would that reduce the size of the registry entry to less
> than 1MB.
>
> Thanks,
> Sarvesh Chinnappa
>
>
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