Mobile devices enable users to extend the reach of Skype for Business. Microsoft Skype for Business for Windows Phone provides instant messaging (IM), enhanced presence, and telephony for users in your organization who are connecting from a smartphone or a Windows Professional mobile device. System requirements for Skype for Business for Windows Phone Because mandatory profiles are read-only user profiles, the public key infrastructure (PKI) keys that are required for Skype for Business conferencing cannot be saved to the profile. If you plan to use the Skype for Business conferencing features, avoid using Active Directory Domain Services mandatory profiles to sign in to the Skype for Business client. For details, see Plan for Meetings clients (Web App and Meetings App). The Skype Meetings App and Skype for Business Web App support specific combinations of operating systems and browsers. Skype Meetings App and Skype for Business Web App Refer to the Microsoft 365 and Office System requirements for the hardware required to run the Skype for Business client. Note: If you are using Skype for Business with Microsoft Exchange Online and your organization has deployed an authenticating HTTP proxy, Internet Explorer 8 or later is required. Note: Skype for Business and the Online Meeting Add-in for Skype for Business are not supported on Windows Vista or Windows XP (any version).

Windows Server 2008 R2 or later with latest service pack Software Required for Skype for Business client and the Online Meeting Add-in System component The Online Meeting Add-in for Skype for Business, which supports meeting management from within the Outlook messaging and collaboration client, installs automatically with Skype for Business.

These clients are installed when Microsoft 365 or Office 365 installs, and are also available at Download Skype for Business across all your devices. This section summarizes software required to support the Skype for Business Windows clients. Windows client requirements and software support Summary: Review the Windows client support requirements while planning Skype for Business Server.

Requirements for skype on vista