Public IM Connectivity

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.

Office Communications Server 2007 supports connectivity with one or more of the three supported public IM service providers (AOL, MSN, and Yahoo!).