Version Restrictions

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.

Installing Office Communications Server 2007 administrative tools and Live Communications Server 2005 SP1 administrative tools on the same computer is not supported. Additionally, you cannot administer Live Communications Server 2005 SP1 servers and users with the Office Communications Server 2007 administrative tools, nor can you administer Office Communications Server 2007 servers and users with the Live Communications Server 2005 SP1 administrative tools.

You can use the Move Users Wizard in Office Communications Server 2007 to move users from Live Communications Server 2005 SP1. For more information about migrating from Live Communications Server 2007 to Office Communications Sever 2007, including how to move users, see Migrating to Microsoft Office Communications Server 2007.