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Updating without MSI


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DR Install

DR Install
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Posted 20 August 2001 - 13:52

What are the ramification of using another process (installscript) to update installation files?  I just want to drop new files during the update process.



Ian Blake

Ian Blake
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Posted 22 August 2001 - 09:27

If you are not going to use msi why use msi at all?
Although it is difficult to get right the first time, you will find that Upgrades are one of the most powerful features of Msi.

Msi has considerable facilities for the management of components once thay are installed.  By working around msi you are breaking a number of features.  Without additional work you will damage auto repair  uninstallation, future upgrades, installation identification etc

A msi upgrade will only copy the new files.  Components that remain the same will be not be upgraded.  (Is that what you mean by the imprecise term 'drop'?).

I would advise you to do a proper upgrade.