Hi all,

I am wondering what is the best solution to solve the following problem.
I hope the Windows Installer experts wandering to this list will provide
interesting input.

I want to deliver a main product and a complementary product, the latest
being reserved to a limited set of customers. The complementary product
is a kind of add-in for the main product, it cannot work if the main
product is missing.

For commercial reasons, we want these two products to be in different
installers (.exe or .msi/.msp).
For technical reasons, the complementary product must be bound to a
specific version of the main product. I mean if the main product is
updated the complementary product must also be updated.
So, I would like to obtain the following behavior:
- The complementary product installs if and only if the appropriate
version of the main product is already installed
- When the main product is uninstalled, the complementary product is
also automatically uninstalled (if present of course)
- The complementary product can be uninstalled alone, the main product
remains installed
- Finally, it would be nice if, in ARP, the complementary product could
appear as a child node of the main product like Windows security updates
for instance.

What is the best way to do this ?
- Create a patch for the main product
or
- Have another product and manually (don't know how) create the
dependencies between main and complementary products.
or
- Something else I didn't think about


Olivier Cochelin
Notocord Systems

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