Proxy Server for Exchange

Step 1: Install RPC over HTTP feature

Step 2: Enable Outlook Anywhere - Server configuration -> Client Access Server -> Enable outlook ANywhere.

Step 3: Configure the client address msstd:owaurl

You need a valid certificate for your exchange, Do not use self signed cert

Why cant i use a self signed cert?

Can i get a bit more explained configuration plz?

First thing now, outlook anywhere required multiple records to work properly, like autodiscover.domain.com, mail.domain.com specifically. But still you can create multinamed self-sign -Certificate too. But look at 2 important points

1. Security reasons as self signed certificates are less secured then other certificate.
2. You need to installed self signed certificate on all clients machines where you want to use Outlook anywhere feature.

Also for more info Please look at this link.
http://webdesign.about.com/od/ssl/a/signed_v_selfsi.htm

I understand the importance of signed certificate. But as this is the initial stage of network i have not got more than 5 PCs to install the self signed certificate on so i guess i will go with that for now. Could you please explain the process of setting it up.

Thanks

How to enable outlook any where
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http://technet.microsoft.com/en-us/library/bb123542.aspx

What should i put in external hostname?

Now this is important. it should be your external URL, like mail.domain.com which you use to access OWA from internet.

This name should be present on your self sign certificate.

Your OWA url - mail.domainname.com

On the client PC, i keep on getting the same error message as below :

There is a problem with the proxy server's security certificate, %s. The security certificate is not from a trusted certifying authority. Outlook is unable to connect to this server. (%s)"

Its not giving me any option to install the certificate.... I cannot even export it from the server and import and install it on the pc as its an exchange certificate and it does not give option to export....