IIS Requirements for Group Chat

Communications Server 2007 R2

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.


Topic Last Modified: 2009-03-04

IIS hosts the Web Service for the purpose of uploading and downloading files in chat rooms. This Web service is hosted in the Default Web Site, which must be enabled for anonymous access. Additionally, the following features must be installed:

  • ASP.NET 2.0

  • IIS 6.0 Compatibility Mode (if installing on IIS 7.0)


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