The Windows Server Solutions SDK gives us some great new functionality for deploying Add-In packages: A proper upgrade process Signing Client installers that can be automatically applied to any joined PCs EULA support Localization support But, because there’s no such thing as a free lunch, the new functions come with added complexity. As I’ve discussed previously, in order for your Add-In to support in-place upgrades there are a bunch of properties that need to be changed...