In a peer-to-peer (P2P) video call in Skype for Business 2016, the Present button is unavailable and you can't share desktop or programs. This issue occurs because the AllowIPVideo parameter is set to False for the conferencing policy.
Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.