The installed version of TCPIP.SYS is incompatible with Exchange Server
Topic Last Modified: 2006-06-06
Microsoft® Exchange Server 2007 setup cannot continue because the installed version of Tcpip.sys is incompatible with Microsoft Exchange.
Exchange 2007 setup requires that the local computer have the update referred to by Microsoft Knowledge Base article 898060 installed.
This machine is currently running the Tcpip.sys driver from Windows Server™ 2003 Service Pack 1. This driver may cause connectivity issues in wide area networks.
To resolve this issue, install the update referred to by Microsoft Knowledge Base article 898060 from "Update for Windows Server x64 Edition (KB898060)" (http://go.microsoft.com/fwlink/?linkid=59272), and then rerun Exchange 2007 setup.
For more information about this warning, see Microsoft Knowledge Base article 898060, "Installing security update MS05-019 or Windows Server 2003 Service Pack 1 may cause network connectivity between clients and servers to fail" (http://go.microsoft.com/fwlink/?LinkId=3052&kbid=898060).