I'm running Exchange 2003 with Windows 2003 SBS and want to configure RPC over HTTP for Outlook 2003 clients. I've already got OWA & ActiveSync working successfully. Additionally, I've successfully configured Entourage on a MAC which is communicating via RPC over HTTP, so I'm pretty sure that I'm just missing a configuration step in Outlook 2003. For some reason it will not connect. I've configurd the Outlook Profile while connected to the local network, and I've configured the Exchange Proxy settings as descibed in Microsoft's White Paper titled "Microsoft Exchange Server 2003 RPC over HTTP Deployment Scenarios". However, it will not connect when trying from outside the network Any suggestions or recommendations would be greatly appreciated. Thanks, --David
I found the answer to my own problem. Since this posting is already here I'll post the solution for anyone else that might be interested. A TechNet Article titled "Positioning Your RPC Proxy Server and Firewalls in a Corporate Environment" explains that in order to use a single server as a front and back end server (as is the case with SBS), you need to open three TCP ports on the firewall to allow the client machines to access the Exchange server. These ports are TCP 6001 (Microsoft Exchange Information Store service) TCP 6002 (referral service of DSProxy) TCP 6004 (proxy service of DSProxy) As soon as I opened these ports on the firewall, the Outlook client across the HTTP connection began working perfectly. Enjoy. --David "David G. Hoch" wrote in message news:481f96e6$0$25023$607ed4bc@cv.net... > I'm running Exchange 2003 with Windows 2003 SBS and want to configure RPC > over HTTP for Outlook 2003 clients. > I've already got OWA & ActiveSync working successfully. > Additionally, I've successfully configured Entourage on a MAC which is > communicating via RPC over HTTP, so I'm pretty sure that I'm just missing > a configuration step in Outlook 2003. For some reason it will not > connect. > > I've configurd the Outlook Profile while connected to the local network, > and I've configured the Exchange Proxy settings as descibed in Microsoft's > White Paper titled "Microsoft Exchange Server 2003 RPC over HTTP > Deployment Scenarios". However, it will not connect when trying from > outside the network > > Any suggestions or recommendations would be greatly appreciated. > > Thanks, > --David >