Setting up MS Outlook 2007 to use RPC over HTTP /S

This document explains how to setup Outlook 2007 to connect to Exchange Server 2007 using RPC over HTTP/S (connecting over a VPN (windows 2003 server)

Verify SSL Certficate

on exchange
start - run "iis.msc"
Goto Web Sites
--> Default Web Site
---> Right click and goto properties
----> Directory security (if u have a valid certificate the view certificate button will not be grayed out)

Run the command RPCDump.exe /v on the Exchange back-end server and look at the ncacn_http protocol settings, you can see some of them in Figure 3, and ensure they are listening on the proper port number.

Make sure user have VPN rights (Should be a member of the VPN AD Group)

Exchange 2007

How to Enable Outlook Anywhere


Before You Begin
To enable Outlook Anywhere, you must follow these steps in the following
order:

Install a valid Secure Sockets Layer (SSL) certificate from a trusted
certification authority (CA) that the client trusts.


Install the Windows RPC over HTTP Proxy component.


Enable Outlook Anywhere on a computer that has the Exchange Server 2007
Client Access server role installed.


When you install Exchange 2007, you can install a default SSL certificate
that is created by Exchange Setup. However, this certificate is not a valid
SSL certificate that is trusted by the client. To use Outlook Anywhere, you
must install an SSL certificate that is trusted by the client.

To perform this procedure, the account you use must be delegated the
following:

Exchange Organization Administrator role


For more information about permissions, delegating roles, and the rights
that are required to administer Exchange Server 2007, see Permission
Considerations.

Procedure
To install the RPC over HTTP Windows Networking component
Click Start, point to Settings, click Control Panel, and then double-click
Add or Remove Programs.

Click Add/Remove Windows Components.

On the Windows Components page, in the Components window, select Networking
Services, and then click the Details button.

On the Networking Services page, in the Subcomponents of Networking Services
window, select the check box next to RPC over HTTP Proxy, and then click OK.

On the Windows Components page, click Next.

Click Finish to close the Windows Components Wizard.

Enabling Microsoft Server 2003 VPN to allow ports 80 (http) and 443 (SSL)