Retain unchanged files in msi

I'm a complete novice using Advanced Installer enterprize so please bear with me. We deploy a set of about 12 files across a users network which are occasionally updated. Usually we up the version and uninstall everything and reinstall including unchanged files. So far so good. Now though the client wants the upgrade to detect which components have changed and ONLY uninstall and reinstall these files. (This is to make the process quicker across the network). The PCs may be at different update stages so may not all need the same files which as far as I can tell rules out a patch.

Hope that makes sense. How would I approach this?

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Answers (2)

Posted by: anonymous_9363 11 years ago
Red Belt
This is to make the process quicker across the networkFor 12 files - unless they're huge - you would probably need a stopwatch calibrated via the atomic clock to determine any speed difference. If you're determined, though, you need to look at using the Upgrade table. I don't know Advanced Installer Enterprise but I imagine it has a UI for dealing with upgrades.

Remember, though, that if your files don't contain version information (basically, anything that isn't a Windows PE file) you will need to make sure that file and date information for the replacement files is newer than the targets. Check out Windows Installer file versioning rules on MSDN.
Posted by: John W 11 years ago
Yellow Belt
Thanks. The files are huge but I was surprized the client though it was a problem.
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