Preparing for Installation
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Before you install Group Chat, you need to verify that the computer on which it is going to be installed meets system requirements and that the required environment has been set up. See the following topics for information.