In a home network, Iam running IIS 6.0 on Windows Server 2003. I have installed Virtual Server 2005 on the physical server (which is the host OS), and installed a secondcopy of Windows Server 2003, which has been joined to the domain, but is not a domain controller (which is the guest OS).I have installed IIS 6 on the guest OS. I want to install Exchange Server 2003 on the guest OS. However, I have a single public IP address, and my router isforwarding allHTTP (port 80) requests to the host OS, which has my web site. I can, of course, move my web site to the guest OS's installation of IIS, but would prefer not to do that. Since I can only forward HTTP requests to one internal machine, I was wondering if it is possible to install Exchange Server on the guest OS, but have OWA installed in some manner that it runs under IIS on the host OS. In other words, I'd like to use the host OS's installation of IIS for both my web site and for OWA, and install Exchange Server on my guest OS. Is this possible given my network setup?If not, is there some way to change the port designation for OWA? From what I can see, doing so disables Public Folders, which I would rather not see happen.Any suggestions would be appreciated. Thanks.

Please try to deploy the host OS as a Front-End exchange, and guest OS as a Back-End exchange. So you can use the OWA on the host OS References: Implementing Outlook Web Access with Exchange Server 2003 Guide: Front-End and Back-End Server Topology Guide for Exchange Server 2003 and Exchange 2000 Server KB: How to manage Outlook Web Access features in Exchange Server 2003

Thank you. My problem is that the host is also the domain controller, so I'd prefer not to install Exchange Server on that. It appears that the easiest way to do this will be to move the web and FTP services to the guest OS, and run OWA off the guest.

Yes, that would be the easiest one And also, OWA cant install separately on a standalone IIS server without exchange

Once again, thank you.