ProductCode-This is a Windows Installer property that identifies the GUID of a product. (Note that this is true for comparisons of ProductVersion values, and not for file versions.) For example, for a product version of 1.2.3.4, the 4 is ignored. Note that Windows Installer uses only the first three fields of the ProductVersion property for version comparisons. ProductVersion-This is a Windows Installer property that identifies the product version. Therefore, you should change the package code for each build.
msi databases with identical package codes must have identical contents. The package code is not a Windows Installer property. Package Code-Part of the Summary Information Stream, the package code identifies a particular database. Several Windows Installer codes help identify a product: Start with an MSI Database or Transform projectĬodes Associated with the Different Types of Upgrades If the file, registry key, or shortcut is in more than one component and the component is shared by two or more features, a major upgrade must be used. Move or delete a component in the product treeĬhange the component code of an existing componentĪdd, remove, or modify any of the following: files, registry keys, or shortcuts Windows Installer 1.x requires new components in an upgrade package to be placed in new features for minor upgrades and small updates it also requires special command-line handling.
Yes, if the version of Windows Installer is 2.0 or later Move or delete a feature in the product treeĪdd a new component to an existing feature If the new subfeature consists of existing components, you must use a major upgrade. If the new subfeature consists of new components only, you can use a small update, a minor upgrade, or a major upgrade. msi file is not compressed in a Setup.exe installation launcher.Įnable end users to install earlier versions and the latest version on the same machine The default file name is taken from the Product Name property, provided the. If you are not sure which type of upgrade you should use for your Windows Installer–based project or if you do not have a preference, you can create an automatic upgrade. If any one of the requirements for your upgrade is not appropriate for a minor upgrade or a small update, you should create a major upgrade. The following table serves as a guide to help you determine which type of upgrade best suits your needs. Windows Installer supports three types of product upgrades: major upgrades, minor upgrades, and small updates.
Project:This information applies to the following project types:
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