In order to use the Verba with Azure Active Directory, a Connector App has to be registered with the proper settings.
Registering a Connector App for Azure AD
Step 1 - Log in to https://portal.azure.com/ .
Step 2 - In the left menu, select Azure Active Directory, then in the next menu level select App Registrations (Preview).
Step 3 - Click on the New registration button.
Step 4 - Provide a name, then click on the Register button.
Step 5 - Once the app is registered, click on the Authentication menu.
Step 6 - Under the Redirect URIs section, set the Type to Web, and set the Redirect URI to the Verba web application URL the following way: a/azureGraphApiAuthenticator.do
Step 7 - Under the Advanced settings section, the Logout URL has to be set. Since Verba is not using this, it can be anything, so just type in the example.
Step 8 - At the Implicit grant setting, tick the checkbox at the Access tokens.
Step 9 - Click Save.
Step 10 - Click on the Certificates & secrets menu.
Step 11 - Under the Client secrets section, click on the New client secret button.
Step 12 - Provide a description for the client secret, set the expiration, then click on the Add button.
Step 13 - Once the client secret is created, click on the copy icon next to the secret, and save it for later. It cannot be copied later!
Step 14 - Click on the API permissions menu.
Step 15 - Click on the Add permission button.
Step 16 - In the right panel, select Microsoft Graph, then select Application permissions.
Step 17 - Select Directory.Read.All, Group.Read.All and User.Read.All, then click on the Add permissions button.