Question : Changing exchanges external domain

Hi,

Have a little bit of a tricky one here. We recently changed our company name and with that comes a new external domain.

The issue i'm having is that when our AD was built(before my time) they used the external domain as the internal domain and it's kinda of confusing me when making changes etc.

The issue I have is getting Exchange 2007 OWA to work with the new external domain. I've pointed the URLs to the correct IP's and gone into exchange and changed the OWA URLs within the settings area but if i go to http://webmail.*Newdomain.com.au* it redirects to exch07.*olddomain*.com.au, I log in using my details and it reidrects again but this time it goes to exch07.*newdomain*.com.au and prompts me to log in again, i'm trying to get rid of the exch07.*olddomain* if I can and get exchange to start using only the new domain so users stop getting a SSL certificate error.

I've gone in, changed the accepted domains and set the new domain as default but I'm a little stuck.

Thanks

Answer : Changing exchanges external domain

First - have you acquired SSL certificates for the new and the old name?
The SSL certificates should have both the internal and the external domain name in them.

Thus:

mail.example.com (common name)
autodiscover.example.com
server.example.local
server

You would change the addresses to suit your own needs.

Once you have resolved that, you then need to look at the URLs.

Use get-clientaccessserver | fl to view what they are.
You will also need to adjust the web services, Outlook Anywhere and Exchange ActiveSync URLs as well.

The internal URLs should match the server name and that is why it is included on the SSL certificate.
The external URLs can be whatever you like as long as it resolves and is on the SSL certificate.
After making the changes, run IISRESET.

Simon.