Exchange Server Toolbox Outlook Add-In not loaded when starting Outlook

Question / Problem

I have installed the Exchange Server Toolbox Outlook Add-In but it does not show up.

Answer / Solution

First check if the Add-In is listed under Options/Add-ins/Disabled Application Add-ins in Outlook.

1. If this is the case select "Deactivated Elements" in the combobox below and press "Go".
2. Remove the Add-In from the list.

Check if the Add-In is inactive

1. Select "COM-Add-Ins" in the combobox and press "Go".
2. Activate the Add-In by checking the box next to its name.