Uninstall old version using old msi file


V

Viviana Vc

Hi all,

I have the following concept question.

Let's say I release my product (using an MSI installer) today. Some
users will install it.

In 2 weeks I have to release a newer version of my product. As I want
the user to have only one version of my product installed I would then
have to uninstall first the old version (somehow).

How can I be sure that for uninstalling the previous version the .msi
from _that_ version will be used and _not_ the msi for this newer
version? I mean in one step to be:
- to uninstall previous version using old msi in order to use the
uninstaller steps provided with the same package that was used to
install that version?
- to install the new version using the new provided .msi file?

Thank you,
Viv
 
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R

Rob Hamflett

If you use the Upgrade table and RemoveExisting Products, it'll use the
cached MSIs when removing the existing versions, so you don't need to
worry about it.

Rob
 

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