I have a .msi to install a program. Upon 'update', I want to be able to check whether there is an update available on a server, and if there is, install it.
- Can msiexec do that? I've looked around, and all I can find is that the /update just applies .msp patches.
- Is the .msp patch a patch for the installer itself, or for the installed application?
- Can the latest .msp patch different versions of an installer/installation to the latest one?
If this isn't possible through msiexec or this method is problematic, what are the alternatives?