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Level 6

Multiple Instance Installation

Hi all,

I have an MSI Web Setup to deploy a web application & its database. This website can do an upgrade (upgrading existing web & database).

My question is, when doing upgrade, can we give option to user if they want to upgrade existing instance(s) or create a new instance (creating new entry on Add/Remove Program and also create new database)?

So, for example, if I already have v1.0 installed in my machine, I can either:
- Upgrade the v1.0 to v2.0 (replace old files etc), or
- Install v2.0 separately, so it will coexist with v1.0

Does MSI/Installshield support this?

This is very important... :confused:

Appreciate any idea... Thanks.
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Level 6

After crawling a while, it looks like Multiple Instance feature is a way to achieve this? Please correct me if I'm wrong.

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