Consider the following scenario in a Microsoft Skype for Business Server 2019 environment or in a Skype for Business Server 2015 environment that has Skype for Business Server 2015 CU8 (January 2019 Cumulative Update) installed :
- User A is an enterprise user.
- User B is an anonymous user.
- The AllowParticipantControl parameter is set to True in the conferencing policy.
- The AllowExternalUserControl parameter is set to False in the conferencing policy.
- User B shares an application or desktop to User A.
In this scenario, User A can't request control of the shared application or desktop to User B.