There are three cases where a user could be prompted to login:
1. 1. Single Sign-On (SSO) is not set up. If your organization does not use SSO to authenticate users, users will be required to login to the portal as they normally would.
2. 2. The user is being prompted to login from within the Office application.
If you see this when accessing QuickHelp from the Ribbon…
…you are not using the latest version. Find more information here.
3. Your organization uses SSO but the users are asked to login to the portal. This usually indicates that the add-in was installed without the correct ROUTE switch. Installation instructions can be found here, or you can contact your IT department for more information.