Publishing OWA 2003 in ISA server 2006 SP1 is simply easy and straightforward. However, what do the beginner need to publish OWA 2003. Of course, the one thing we need to do is, to import the certificate of Outlook Web Access into the ISA server. Most mistake they did was to renew the certificate of OWA. actually, we don’t need to renew the certificate. The only thing is to export the current certificate in to a .pfx file.How do you do that?
On Exchange Server:
- you go to your frontend exchange server or your single exchange server where you set OWA FBA.
- Open your Internet Information Services, and right click your exchange default website.
- right-click properties and go to Directory Security.
- Click Server certificate button, click next to start the wizard.
- Choose “Export the current Certificate to a .pfx file”. Click Next.
- Enter Path and filename you want to save. Let say, C:\owacertificate.pfx
- set the password and confirm the password and click next until finish.
After that, import the “owacertificate.pfx” into your ISA Server. Remember, you import the certificate into “Personal”. Otherwise, once you try to publish the Exchange Client Access rule, the ISA server will not seeing your owacertificate. Please make sure you import the certificate in Personal folder.
Then, create your OWA publishing. To create the OWA publishing rule, DNS server in your internal DNS take the role as well as your public DNS. For example, if the public domain is “mail.netoverme.info” , you need to resolve the domain to certain IP address and also your internal dns should work fine in order FQDN works properly so that it points to the correct internal domain which accordance to your OWA publishing. have a read on Split DNS. This link should solve your problems.
see you next time on this similar to topic later on.