WHS2011 Add-in Upgrades for Developers

Version 1 of the WHS extensibility framework had no upgrade capability for already-installed Add-Ins, meaning the end user had to uninstall the old version of an Add-In, and then install the new version. This could also lead to the situation where the user could have multiple instances of an Add-In installed.

The Windows Server Solutions SDK (which includes WHS2011) now support add-in upgrades correctly:

A user can now download a new version of your Add-In, install it from a client machine, and WHS and MSI will handle the upgrade process cleanly.

As a developer you will have to do some work to make this happen, but thanks to a great tutorial from Tentacle Software you should be able to get your developed add-in updating in no time at all.

You can find the tutorial here.

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