Microsoft Office Communications Server 2007 R2 Group Chat Server is an extension of Office Communications Server infrastructure. Depending on your topology, you can install Group Chat Server on a single server or multiple servers. For details about available topologies and the technical and software requirements for installing Group Chat Server, see the Group Chattopic in the Planning and Architecture documentation.

If your organization requires compliance support, you can install a Compliance service on a separate computer after you have completed the installation and configuration of the servers running Group Chat Server. For details, see Installing the Compliance Service.

At a minimum, each topology requires a server with Office Communications Server installed and a server with Microsoft SQL Server database software installed.

Group Chat must be installed on an NTFS file system to enforce file system security. FAT32 is not a supported file system for Group Chat.

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