Before you can schedule a conference using Microsoft® Office Communications Server 2007 R2 that includes support for dial-in conferencing, you must install the Conferencing Add-in for Microsoft® Office Outlook® that was included with the Microsoft® Office Communications Server 2007 R2 installation media. Remove any earlier versions of the Microsoft® Office Live Meeting client and Live Meeting add-in. Also ensure that Outlook is not running, and then install the more recent version of the add-in. See your administrator for the add-in installer file (LMInstaller.exe).

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Neeti Gupta

Product Manager, UC Technical Audience Marketing