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Level 2

File size limit

Currently I have installshield 2015.

I notice the total size of the msi/exe being built exceeds 2GB which causes an ISDEV fatal error 0 

Does anyone know if a newer version of installshield allows more than 2GB?



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Revenera Moderator Revenera Moderator
Revenera Moderator

Hi @developerjd 

2GB is the size limit for the CAB files included in the MSI package. This is a windows limitation and not a limitation from Installshield.

The solution here is to build an uncompressed release as the cab files are no longer in the MSI file and therefore this limitation no longer applies.

It would be possible to create a compressed setup.exe, however there is also a Windows limitation of 4GB on a portable executable file.

Whilst you could apply different compression levels to reduce the overall size of the package, this will ultimatley impact the installation speed as the installer will then need to uncompress and write the files to a temporary location to install them. As the size increases, so will the compression - and so will the installation time.

Ultimately the ability to reduce the overall size of your application is at the development level of the software - and if this is not possible then an uncompressed release will be the best option.

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