This information applies to the following project types:
The Windows Installer service uses several file overwrite rules, by default, to determine whether a file included in an upgrade should overwrite a file that already exists on the target system. The rules apply when the REINSTALLMODE property uses the o setting to install over older files on the target system. To change this behavior, you can replace the o option with one of the following values:
Note that the setting for REINSTALLMODE applies to all of the features being installed; it cannot be set for an individual feature. In addition, setting REINSTALLMODE to include a will likely cause prompts for the original installation source during the application of a patch.
File Versioning Rules (Windows Installer Help Library)
REINSTALLMODE Property (Windows Installer Help Library)
Copyright Information | Contact Acresso