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1.6.2.1 Mandatory Upgrades
Mandatory upgrades automatically replace an older version of a program with the upgraded version. To
deploy a mandatory upgrade, right-click the new version in Software Installation, and then click
Properties. In the package file’s Properties dialog box, select the Upgrades tab. In the Packages That
This Package Will Upgrade section, click Add, and then select the older version of the program that you
want to upgrade. If both versions of the program are native Windows Installer packages, this step will be
done automatically. If the older version has been installed, it will be replaced with the newer version the
next time that the user activates the program. You can use this same strategy to change from one vendor’s
product to another.
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