Article ID: 2637103 - View products that this article applies to.
Assume that you install the FTP role service on a computer and create a FTP site. You try to deploy Microsoft Lync Server 2010 on the computer. In this situation, the setup process fails. Additionally, you receive the following error message:
System.Runtime.InteropServices.COMException was unhandled
Message="The object identifier does not represent a valid object. (Exception from HRESULT: 0x800710D8)"
This issue occurs because the Lync Server 2010 setup process does not expect FTP site in the Internet Information Services (IIS).
To resolve this issue, install the following cumulative update:
(http://support.microsoft.com/kb/2514981 / )Description of the cumulative update for Lync Server 2010, Core Components: November 2011