You need to install the root certification authority (CA) certificate for the CA that issued the server certificate on the Web server (that is, the IIS server running your Office Communications Server Web components) on the server running ISA Server 2006.

You must install a Web server certificate on your ISA Server. This certificate should match the published FQDN of your external Web farm where you are hosting meeting content and Address Book files. For the purposes of this walkthrough, the FQDN of the web farm in is

See Also