Exchange 2003 sp2 and Windows Mobile 5

Greetings,

We are currently auditioning various smartphones running Windows Mobile 5.  I understand that not all of these devices have been patched with MSFP, although they should all be able to connect to an Exchange 2003 server.  My understading is that without MSFP, you can't take advantage of DirectPush.  My question is about the configuration of the Exchange server.  Currently, we have only one Exchange server.  I tried getting RPC over HTTP to work unsuccessfully with this server in the past.  For my mobile devices to connect, what is the best configuration?  Do I need to set up another Exchange server in a front end role?  Should I set up an ISA server to handle connections?  Another ideas or thoughts on this would be appreciated.

Regards
darrennelsonAsked:
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SembeeCommented:
You don't have to use a frontend and you don't have to use an ISA. It can be done with a single server.
From a security point of view you should probably use an SSL certificate. The same SSL certificate can be used for OWA, RPC over HTTPS etc.

However, unless you spend a large amount of money on a certificate, it will not be trusted by the Windows Mobile device, so you will need to import the SSL certificate to the device. On my web site I have a couple of techniques for deploying the root certificate required: http://www.amset.info/pocketpc/certificates.asp
I have successfully used RapidSSL with this system a number of times.

Furthermore, to ease deployment you can configure a cabinet file that configured Exchange ActiveSync for you.
http://www.amset.info/exchange/mobile-deploy.asp
The file can contain both the certificate and the configuration.

For playing around, get your hands on the emulator. This can be loaded on to your desktop. I have information and the links to the download on my blog: http://www.sembee.co.uk/archive/2006/05/19/17.aspx

By going down the SSL certificate route, you can have just one port open to the internet - 443. No need to open port 80 at all.

Simon.
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